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Finding the Fourth Proportional to 627,935.60, 941,903.40 and 549,203.60

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Solution

The fourth proportional to 627,935.60, 941,903.40 and 549,203.60 is: 823,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,935.60 : 941,903.40 = 549,203.60 : x
  2. Step 2: Convert to fraction form
    627,935.60/941,903.40 = 549,203.60/x
  3. Step 3: Cross multiply
    627,935.60x = 941,903.40 × 549,203.60
  4. Step 4: Simplify right side
    627,935.60x = 517,296,738,132.24
  5. Step 5: Solve for x
    x = 517,296,738,132.24/627,935.60
  6. Step 6: Final answer
    x = 823,805.40

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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.