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Finding the Fourth Proportional to 403,337.76, 604,865.61 and 118,952.88

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Solution

The fourth proportional to 403,337.76, 604,865.61 and 118,952.88 is: 178,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,337.76 : 604,865.61 = 118,952.88 : x
  2. Step 2: Convert to fraction form
    403,337.76/604,865.61 = 118,952.88/x
  3. Step 3: Cross multiply
    403,337.76x = 604,865.61 × 118,952.88
  4. Step 4: Simplify right side
    403,337.76x = 71,950,506,322.46
  5. Step 5: Solve for x
    x = 71,950,506,322.46/403,337.76
  6. Step 6: Final answer
    x = 178,387.73

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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.