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Finding the Fourth Proportional to 546,231.76, 753,803.09 and 316,925.61

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Solution

The fourth proportional to 546,231.76, 753,803.09 and 316,925.61 is: 437,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,231.76 : 753,803.09 = 316,925.61 : x
  2. Step 2: Convert to fraction form
    546,231.76/753,803.09 = 316,925.61/x
  3. Step 3: Cross multiply
    546,231.76x = 753,803.09 × 316,925.61
  4. Step 4: Simplify right side
    546,231.76x = 238,899,504,244.01
  5. Step 5: Solve for x
    x = 238,899,504,244.01/546,231.76
  6. Step 6: Final answer
    x = 437,359.23

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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.