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Finding the Fourth Proportional to 526,614.98, 726,727.66 and 284,897.74

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Solution

The fourth proportional to 526,614.98, 726,727.66 and 284,897.74 is: 393,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,614.98 : 726,727.66 = 284,897.74 : x
  2. Step 2: Convert to fraction form
    526,614.98/726,727.66 = 284,897.74/x
  3. Step 3: Cross multiply
    526,614.98x = 726,727.66 × 284,897.74
  4. Step 4: Simplify right side
    526,614.98x = 207,043,067,929.49
  5. Step 5: Solve for x
    x = 207,043,067,929.49/526,614.98
  6. Step 6: Final answer
    x = 393,158.33

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1.5x scale

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.