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Finding the Fourth Proportional to 549,429.28, 824,010.72 and 150,071.92

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Solution

The fourth proportional to 549,429.28, 824,010.72 and 150,071.92 is: 225,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,429.28 : 824,010.72 = 150,071.92 : x
  2. Step 2: Convert to fraction form
    549,429.28/824,010.72 = 150,071.92/x
  3. Step 3: Cross multiply
    549,429.28x = 824,010.72 × 150,071.92
  4. Step 4: Simplify right side
    549,429.28x = 123,660,870,850.98
  5. Step 5: Solve for x
    x = 123,660,870,850.98/549,429.28
  6. Step 6: Final answer
    x = 225,071.50

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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.