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Finding the Fourth Proportional to 423,516.79, 584,454.32 and 232,542.55

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Solution

The fourth proportional to 423,516.79, 584,454.32 and 232,542.55 is: 320,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,516.79 : 584,454.32 = 232,542.55 : x
  2. Step 2: Convert to fraction form
    423,516.79/584,454.32 = 232,542.55/x
  3. Step 3: Cross multiply
    423,516.79x = 584,454.32 × 232,542.55
  4. Step 4: Simplify right side
    423,516.79x = 135,910,497,931.32
  5. Step 5: Solve for x
    x = 135,910,497,931.32/423,516.79
  6. Step 6: Final answer
    x = 320,909.35

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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.