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Finding the Fourth Proportional to 672,882.05, 928,574.61 and 366,957.74

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Solution

The fourth proportional to 672,882.05, 928,574.61 and 366,957.74 is: 506,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,882.05 : 928,574.61 = 366,957.74 : x
  2. Step 2: Convert to fraction form
    672,882.05/928,574.61 = 366,957.74/x
  3. Step 3: Cross multiply
    672,882.05x = 928,574.61 × 366,957.74
  4. Step 4: Simplify right side
    672,882.05x = 340,747,640,306.98
  5. Step 5: Solve for x
    x = 340,747,640,306.98/672,882.05
  6. Step 6: Final answer
    x = 506,400.25

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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.