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Finding the Fourth Proportional to 335,147.76, 502,721.73 and 98,490.45

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Solution

The fourth proportional to 335,147.76, 502,721.73 and 98,490.45 is: 147,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,147.76 : 502,721.73 = 98,490.45 : x
  2. Step 2: Convert to fraction form
    335,147.76/502,721.73 = 98,490.45/x
  3. Step 3: Cross multiply
    335,147.76x = 502,721.73 × 98,490.45
  4. Step 4: Simplify right side
    335,147.76x = 49,513,289,412.48
  5. Step 5: Solve for x
    x = 49,513,289,412.48/335,147.76
  6. Step 6: Final answer
    x = 147,735.70

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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.