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Finding the Fourth Proportional to 372,507.60, 558,848.16 and 106,271.76

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Solution

The fourth proportional to 372,507.60, 558,848.16 and 106,271.76 is: 159,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,507.60 : 558,848.16 = 106,271.76 : x
  2. Step 2: Convert to fraction form
    372,507.60/558,848.16 = 106,271.76/x
  3. Step 3: Cross multiply
    372,507.60x = 558,848.16 × 106,271.76
  4. Step 4: Simplify right side
    372,507.60x = 59,389,777,535.96
  5. Step 5: Solve for x
    x = 59,389,777,535.96/372,507.60
  6. Step 6: Final answer
    x = 159,432.39

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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.