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Finding the Fourth Proportional to 546,034.84, 753,912.30 and 383,037.88

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Solution

The fourth proportional to 546,034.84, 753,912.30 and 383,037.88 is: 528,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,034.84 : 753,912.30 = 383,037.88 : x
  2. Step 2: Convert to fraction form
    546,034.84/753,912.30 = 383,037.88/x
  3. Step 3: Cross multiply
    546,034.84x = 753,912.30 × 383,037.88
  4. Step 4: Simplify right side
    546,034.84x = 288,776,969,097.92
  5. Step 5: Solve for x
    x = 288,776,969,097.92/546,034.84
  6. Step 6: Final answer
    x = 528,861.80

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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.