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Finding the Fourth Proportional to 395,951.28, 546,492.16 and 234,895.74

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Solution

The fourth proportional to 395,951.28, 546,492.16 and 234,895.74 is: 324,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,951.28 : 546,492.16 = 234,895.74 : x
  2. Step 2: Convert to fraction form
    395,951.28/546,492.16 = 234,895.74/x
  3. Step 3: Cross multiply
    395,951.28x = 546,492.16 × 234,895.74
  4. Step 4: Simplify right side
    395,951.28x = 128,368,680,327.40
  5. Step 5: Solve for x
    x = 128,368,680,327.40/395,951.28
  6. Step 6: Final answer
    x = 324,203.22

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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.