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Finding the Fourth Proportional to 374,656.56, 516,869.25 and 245,626.02

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Solution

The fourth proportional to 374,656.56, 516,869.25 and 245,626.02 is: 338,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,656.56 : 516,869.25 = 245,626.02 : x
  2. Step 2: Convert to fraction form
    374,656.56/516,869.25 = 245,626.02/x
  3. Step 3: Cross multiply
    374,656.56x = 516,869.25 × 245,626.02
  4. Step 4: Simplify right side
    374,656.56x = 126,956,536,737.89
  5. Step 5: Solve for x
    x = 126,956,536,737.89/374,656.56
  6. Step 6: Final answer
    x = 338,861.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.