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Finding the Fourth Proportional to 622,602.30, 933,903.45 and 307,674.30

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Solution

The fourth proportional to 622,602.30, 933,903.45 and 307,674.30 is: 461,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,602.30 : 933,903.45 = 307,674.30 : x
  2. Step 2: Convert to fraction form
    622,602.30/933,903.45 = 307,674.30/x
  3. Step 3: Cross multiply
    622,602.30x = 933,903.45 × 307,674.30
  4. Step 4: Simplify right side
    622,602.30x = 287,338,090,246.34
  5. Step 5: Solve for x
    x = 287,338,090,246.34/622,602.30
  6. Step 6: Final answer
    x = 461,511.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.