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Finding the Fourth Proportional to 335,275.92, 502,984.35 and 98,598.78

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Solution

The fourth proportional to 335,275.92, 502,984.35 and 98,598.78 is: 147,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,275.92 : 502,984.35 = 98,598.78 : x
  2. Step 2: Convert to fraction form
    335,275.92/502,984.35 = 98,598.78/x
  3. Step 3: Cross multiply
    335,275.92x = 502,984.35 × 98,598.78
  4. Step 4: Simplify right side
    335,275.92x = 49,593,643,269.09
  5. Step 5: Solve for x
    x = 49,593,643,269.09/335,275.92
  6. Step 6: Final answer
    x = 147,918.89

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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.