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Finding the Fourth Proportional to 610,980.40, 916,470.60 and 532,248.40

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Solution

The fourth proportional to 610,980.40, 916,470.60 and 532,248.40 is: 798,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,980.40 : 916,470.60 = 532,248.40 : x
  2. Step 2: Convert to fraction form
    610,980.40/916,470.60 = 532,248.40/x
  3. Step 3: Cross multiply
    610,980.40x = 916,470.60 × 532,248.40
  4. Step 4: Simplify right side
    610,980.40x = 487,790,010,497.04
  5. Step 5: Solve for x
    x = 487,790,010,497.04/610,980.40
  6. Step 6: Final answer
    x = 798,372.60

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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.