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Finding the Fourth Proportional to 349,347.28, 524,123 and 112,684.72

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Solution

The fourth proportional to 349,347.28, 524,123 and 112,684.72 is: 169,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,347.28 : 524,123 = 112,684.72 : x
  2. Step 2: Convert to fraction form
    349,347.28/524,123 = 112,684.72/x
  3. Step 3: Cross multiply
    349,347.28x = 524,123 × 112,684.72
  4. Step 4: Simplify right side
    349,347.28x = 59,060,653,500.56
  5. Step 5: Solve for x
    x = 59,060,653,500.56/349,347.28
  6. Step 6: Final answer
    x = 169,060.01

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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.