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Finding the Fourth Proportional to 350,289.61, 525,508.26 and 113,613.88

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Solution

The fourth proportional to 350,289.61, 525,508.26 and 113,613.88 is: 170,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,289.61 : 525,508.26 = 113,613.88 : x
  2. Step 2: Convert to fraction form
    350,289.61/525,508.26 = 113,613.88/x
  3. Step 3: Cross multiply
    350,289.61x = 525,508.26 × 113,613.88
  4. Step 4: Simplify right side
    350,289.61x = 59,705,032,390.65
  5. Step 5: Solve for x
    x = 59,705,032,390.65/350,289.61
  6. Step 6: Final answer
    x = 170,444.77

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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.