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Finding the Fourth Proportional to 424,573.12, 585,844.12 and 243,250.12

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Solution

The fourth proportional to 424,573.12, 585,844.12 and 243,250.12 is: 335,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,573.12 : 585,844.12 = 243,250.12 : x
  2. Step 2: Convert to fraction form
    424,573.12/585,844.12 = 243,250.12/x
  3. Step 3: Cross multiply
    424,573.12x = 585,844.12 × 243,250.12
  4. Step 4: Simplify right side
    424,573.12x = 142,506,652,491.29
  5. Step 5: Solve for x
    x = 142,506,652,491.29/424,573.12
  6. Step 6: Final answer
    x = 335,646.90

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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.