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Finding the Fourth Proportional to 668,732.80, 922,843.56 and 366,926.80

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Solution

The fourth proportional to 668,732.80, 922,843.56 and 366,926.80 is: 506,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,732.80 : 922,843.56 = 366,926.80 : x
  2. Step 2: Convert to fraction form
    668,732.80/922,843.56 = 366,926.80/x
  3. Step 3: Cross multiply
    668,732.80x = 922,843.56 × 366,926.80
  4. Step 4: Simplify right side
    668,732.80x = 338,616,034,371.41
  5. Step 5: Solve for x
    x = 338,616,034,371.41/668,732.80
  6. Step 6: Final answer
    x = 506,354.76

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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.