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Finding the Fourth Proportional to 622,966.05, 934,449.08 and 308,038.05

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Solution

The fourth proportional to 622,966.05, 934,449.08 and 308,038.05 is: 462,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,966.05 : 934,449.08 = 308,038.05 : x
  2. Step 2: Convert to fraction form
    622,966.05/934,449.08 = 308,038.05/x
  3. Step 3: Cross multiply
    622,966.05x = 934,449.08 × 308,038.05
  4. Step 4: Simplify right side
    622,966.05x = 287,845,870,887.30
  5. Step 5: Solve for x
    x = 287,845,870,887.30/622,966.05
  6. Step 6: Final answer
    x = 462,057.08

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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.