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Finding the Fourth Proportional to 697,957.38, 963,779.88 and 675,387.54

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Solution

The fourth proportional to 697,957.38, 963,779.88 and 675,387.54 is: 932,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,957.38 : 963,779.88 = 675,387.54 : x
  2. Step 2: Convert to fraction form
    697,957.38/963,779.88 = 675,387.54/x
  3. Step 3: Cross multiply
    697,957.38x = 963,779.88 × 675,387.54
  4. Step 4: Simplify right side
    697,957.38x = 650,924,922,254.70
  5. Step 5: Solve for x
    x = 650,924,922,254.70/697,957.38
  6. Step 6: Final answer
    x = 932,614.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.