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Finding the Fourth Proportional to 527,430.97, 791,088.37 and 148,363.73

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Solution

The fourth proportional to 527,430.97, 791,088.37 and 148,363.73 is: 222,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,430.97 : 791,088.37 = 148,363.73 : x
  2. Step 2: Convert to fraction form
    527,430.97/791,088.37 = 148,363.73/x
  3. Step 3: Cross multiply
    527,430.97x = 791,088.37 × 148,363.73
  4. Step 4: Simplify right side
    527,430.97x = 117,368,821,332.82
  5. Step 5: Solve for x
    x = 117,368,821,332.82/527,430.97
  6. Step 6: Final answer
    x = 222,529.26

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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.