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Finding the Fourth Proportional to 659,885.48, 910,644.42 and 358,079.48

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Solution

The fourth proportional to 659,885.48, 910,644.42 and 358,079.48 is: 494,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,885.48 : 910,644.42 = 358,079.48 : x
  2. Step 2: Convert to fraction form
    659,885.48/910,644.42 = 358,079.48/x
  3. Step 3: Cross multiply
    659,885.48x = 910,644.42 × 358,079.48
  4. Step 4: Simplify right side
    659,885.48x = 326,083,080,378.50
  5. Step 5: Solve for x
    x = 326,083,080,378.50/659,885.48
  6. Step 6: Final answer
    x = 494,151.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.