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Finding the Fourth Proportional to 472,167.96, 708,390.36 and 152,313.42

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Solution

The fourth proportional to 472,167.96, 708,390.36 and 152,313.42 is: 228,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,167.96 : 708,390.36 = 152,313.42 : x
  2. Step 2: Convert to fraction form
    472,167.96/708,390.36 = 152,313.42/x
  3. Step 3: Cross multiply
    472,167.96x = 708,390.36 × 152,313.42
  4. Step 4: Simplify right side
    472,167.96x = 107,897,358,426.63
  5. Step 5: Solve for x
    x = 107,897,358,426.63/472,167.96
  6. Step 6: Final answer
    x = 228,514.78

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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.