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Finding the Fourth Proportional to 334,961.16, 502,491.96 and 98,275.92

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Solution

The fourth proportional to 334,961.16, 502,491.96 and 98,275.92 is: 147,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,961.16 : 502,491.96 = 98,275.92 : x
  2. Step 2: Convert to fraction form
    334,961.16/502,491.96 = 98,275.92/x
  3. Step 3: Cross multiply
    334,961.16x = 502,491.96 × 98,275.92
  4. Step 4: Simplify right side
    334,961.16x = 49,382,859,661.60
  5. Step 5: Solve for x
    x = 49,382,859,661.60/334,961.16
  6. Step 6: Final answer
    x = 147,428.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.