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Finding the Fourth Proportional to 498,713.68, 748,537.08 and 246,279.21

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Solution

The fourth proportional to 498,713.68, 748,537.08 and 246,279.21 is: 369,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,713.68 : 748,537.08 = 246,279.21 : x
  2. Step 2: Convert to fraction form
    498,713.68/748,537.08 = 246,279.21/x
  3. Step 3: Cross multiply
    498,713.68x = 748,537.08 × 246,279.21
  4. Step 4: Simplify right side
    498,713.68x = 184,349,120,718.11
  5. Step 5: Solve for x
    x = 184,349,120,718.11/498,713.68
  6. Step 6: Final answer
    x = 369,649.22

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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.