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Finding the Fourth Proportional to 406,353.92, 609,530.88 and 110,868.48

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Solution

The fourth proportional to 406,353.92, 609,530.88 and 110,868.48 is: 166,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,353.92 : 609,530.88 = 110,868.48 : x
  2. Step 2: Convert to fraction form
    406,353.92/609,530.88 = 110,868.48/x
  3. Step 3: Cross multiply
    406,353.92x = 609,530.88 × 110,868.48
  4. Step 4: Simplify right side
    406,353.92x = 67,577,762,178.66
  5. Step 5: Solve for x
    x = 67,577,762,178.66/406,353.92
  6. Step 6: Final answer
    x = 166,302.72

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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.