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Finding the Fourth Proportional to 374,153.46, 516,330.90 and 204,388.80

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Solution

The fourth proportional to 374,153.46, 516,330.90 and 204,388.80 is: 282,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,153.46 : 516,330.90 = 204,388.80 : x
  2. Step 2: Convert to fraction form
    374,153.46/516,330.90 = 204,388.80/x
  3. Step 3: Cross multiply
    374,153.46x = 516,330.90 × 204,388.80
  4. Step 4: Simplify right side
    374,153.46x = 105,532,253,053.92
  5. Step 5: Solve for x
    x = 105,532,253,053.92/374,153.46
  6. Step 6: Final answer
    x = 282,056.07

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