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Finding the Fourth Proportional to 627,801.60, 941,702.40 and 549,069.60

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Solution

The fourth proportional to 627,801.60, 941,702.40 and 549,069.60 is: 823,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,801.60 : 941,702.40 = 549,069.60 : x
  2. Step 2: Convert to fraction form
    627,801.60/941,702.40 = 549,069.60/x
  3. Step 3: Cross multiply
    627,801.60x = 941,702.40 × 549,069.60
  4. Step 4: Simplify right side
    627,801.60x = 517,060,160,087.04
  5. Step 5: Solve for x
    x = 517,060,160,087.04/627,801.60
  6. Step 6: Final answer
    x = 823,604.40

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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.