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Finding the Fourth Proportional to 614,860.98, 916,179.17 and 547,785.69

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Solution

The fourth proportional to 614,860.98, 916,179.17 and 547,785.69 is: 816,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,860.98 : 916,179.17 = 547,785.69 : x
  2. Step 2: Convert to fraction form
    614,860.98/916,179.17 = 547,785.69/x
  3. Step 3: Cross multiply
    614,860.98x = 916,179.17 × 547,785.69
  4. Step 4: Simplify right side
    614,860.98x = 501,869,838,802.08
  5. Step 5: Solve for x
    x = 501,869,838,802.08/614,860.98
  6. Step 6: Final answer
    x = 816,233.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.