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Finding the Fourth Proportional to 381,677.40, 572,516.10 and 241,594.20

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Solution

The fourth proportional to 381,677.40, 572,516.10 and 241,594.20 is: 362,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,677.40 : 572,516.10 = 241,594.20 : x
  2. Step 2: Convert to fraction form
    381,677.40/572,516.10 = 241,594.20/x
  3. Step 3: Cross multiply
    381,677.40x = 572,516.10 × 241,594.20
  4. Step 4: Simplify right side
    381,677.40x = 138,316,569,166.62
  5. Step 5: Solve for x
    x = 138,316,569,166.62/381,677.40
  6. Step 6: Final answer
    x = 362,391.30

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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.