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Finding the Fourth Proportional to 349,624.80, 524,437.20 and 112,975.20

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Solution

The fourth proportional to 349,624.80, 524,437.20 and 112,975.20 is: 169,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,624.80 : 524,437.20 = 112,975.20 : x
  2. Step 2: Convert to fraction form
    349,624.80/524,437.20 = 112,975.20/x
  3. Step 3: Cross multiply
    349,624.80x = 524,437.20 × 112,975.20
  4. Step 4: Simplify right side
    349,624.80x = 59,248,397,557.44
  5. Step 5: Solve for x
    x = 59,248,397,557.44/349,624.80
  6. Step 6: Final answer
    x = 169,462.80

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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.