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Finding the Fourth Proportional to 610,437.70, 916,531.35 and 461,721.70

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Solution

The fourth proportional to 610,437.70, 916,531.35 and 461,721.70 is: 693,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,437.70 : 916,531.35 = 461,721.70 : x
  2. Step 2: Convert to fraction form
    610,437.70/916,531.35 = 461,721.70/x
  3. Step 3: Cross multiply
    610,437.70x = 916,531.35 × 461,721.70
  4. Step 4: Simplify right side
    610,437.70x = 423,182,413,025.30
  5. Step 5: Solve for x
    x = 423,182,413,025.30/610,437.70
  6. Step 6: Final answer
    x = 693,244.23

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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.