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Finding the Fourth Proportional to 527,356.56, 791,168.80 and 153,379.56

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Solution

The fourth proportional to 527,356.56, 791,168.80 and 153,379.56 is: 230,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,356.56 : 791,168.80 = 153,379.56 : x
  2. Step 2: Convert to fraction form
    527,356.56/791,168.80 = 153,379.56/x
  3. Step 3: Cross multiply
    527,356.56x = 791,168.80 × 153,379.56
  4. Step 4: Simplify right side
    527,356.56x = 121,349,122,429.73
  5. Step 5: Solve for x
    x = 121,349,122,429.73/527,356.56
  6. Step 6: Final answer
    x = 230,108.30

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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.