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Finding the Fourth Proportional to 491,801.60, 737,702.40 and 484,803.20

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Solution

The fourth proportional to 491,801.60, 737,702.40 and 484,803.20 is: 727,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,801.60 : 737,702.40 = 484,803.20 : x
  2. Step 2: Convert to fraction form
    491,801.60/737,702.40 = 484,803.20/x
  3. Step 3: Cross multiply
    491,801.60x = 737,702.40 × 484,803.20
  4. Step 4: Simplify right side
    491,801.60x = 357,640,484,167.68
  5. Step 5: Solve for x
    x = 357,640,484,167.68/491,801.60
  6. Step 6: Final answer
    x = 727,204.80

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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.