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Finding the Fourth Proportional to 437,279.44, 655,919.28 and 337,585.16

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Solution

The fourth proportional to 437,279.44, 655,919.28 and 337,585.16 is: 506,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,279.44 : 655,919.28 = 337,585.16 : x
  2. Step 2: Convert to fraction form
    437,279.44/655,919.28 = 337,585.16/x
  3. Step 3: Cross multiply
    437,279.44x = 655,919.28 × 337,585.16
  4. Step 4: Simplify right side
    437,279.44x = 221,428,615,085.89
  5. Step 5: Solve for x
    x = 221,428,615,085.89/437,279.44
  6. Step 6: Final answer
    x = 506,377.83

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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.