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Finding the Fourth Proportional to 610,467.40, 915,701.10 and 451,035.10

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Solution

The fourth proportional to 610,467.40, 915,701.10 and 451,035.10 is: 676,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,467.40 : 915,701.10 = 451,035.10 : x
  2. Step 2: Convert to fraction form
    610,467.40/915,701.10 = 451,035.10/x
  3. Step 3: Cross multiply
    610,467.40x = 915,701.10 × 451,035.10
  4. Step 4: Simplify right side
    610,467.40x = 413,013,337,208.61
  5. Step 5: Solve for x
    x = 413,013,337,208.61/610,467.40
  6. Step 6: Final answer
    x = 676,552.65

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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.