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Finding the Fourth Proportional to 335,370.95, 503,001.72 and 98,658.29

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Solution

The fourth proportional to 335,370.95, 503,001.72 and 98,658.29 is: 147,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,370.95 : 503,001.72 = 98,658.29 : x
  2. Step 2: Convert to fraction form
    335,370.95/503,001.72 = 98,658.29/x
  3. Step 3: Cross multiply
    335,370.95x = 503,001.72 × 98,658.29
  4. Step 4: Simplify right side
    335,370.95x = 49,625,289,562.26
  5. Step 5: Solve for x
    x = 49,625,289,562.26/335,370.95
  6. Step 6: Final answer
    x = 147,971.34

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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.