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Finding the Fourth Proportional to 616,089.40, 924,134.10 and 491,673.40

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Solution

The fourth proportional to 616,089.40, 924,134.10 and 491,673.40 is: 737,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,089.40 : 924,134.10 = 491,673.40 : x
  2. Step 2: Convert to fraction form
    616,089.40/924,134.10 = 491,673.40/x
  3. Step 3: Cross multiply
    616,089.40x = 924,134.10 × 491,673.40
  4. Step 4: Simplify right side
    616,089.40x = 454,372,155,002.94
  5. Step 5: Solve for x
    x = 454,372,155,002.94/616,089.40
  6. Step 6: Final answer
    x = 737,510.10

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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.