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Finding the Fourth Proportional to 533,920.71, 736,800.72 and 292,198.42

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Solution

The fourth proportional to 533,920.71, 736,800.72 and 292,198.42 is: 403,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,920.71 : 736,800.72 = 292,198.42 : x
  2. Step 2: Convert to fraction form
    533,920.71/736,800.72 = 292,198.42/x
  3. Step 3: Cross multiply
    533,920.71x = 736,800.72 × 292,198.42
  4. Step 4: Simplify right side
    533,920.71x = 215,292,002,554.86
  5. Step 5: Solve for x
    x = 215,292,002,554.86/533,920.71
  6. Step 6: Final answer
    x = 403,228.42

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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.