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Finding the Fourth Proportional to 335,276.92, 502,985.85 and 98,599.78

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Solution

The fourth proportional to 335,276.92, 502,985.85 and 98,599.78 is: 147,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,276.92 : 502,985.85 = 98,599.78 : x
  2. Step 2: Convert to fraction form
    335,276.92/502,985.85 = 98,599.78/x
  3. Step 3: Cross multiply
    335,276.92x = 502,985.85 × 98,599.78
  4. Step 4: Simplify right side
    335,276.92x = 49,594,294,153.11
  5. Step 5: Solve for x
    x = 49,594,294,153.11/335,276.92
  6. Step 6: Final answer
    x = 147,920.39

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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.