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Finding the Fourth Proportional to 663,205.60, 994,808.40 and 545,010.40

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Solution

The fourth proportional to 663,205.60, 994,808.40 and 545,010.40 is: 817,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,205.60 : 994,808.40 = 545,010.40 : x
  2. Step 2: Convert to fraction form
    663,205.60/994,808.40 = 545,010.40/x
  3. Step 3: Cross multiply
    663,205.60x = 994,808.40 × 545,010.40
  4. Step 4: Simplify right side
    663,205.60x = 542,180,924,007.36
  5. Step 5: Solve for x
    x = 542,180,924,007.36/663,205.60
  6. Step 6: Final answer
    x = 817,515.60

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Similar ratio
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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.