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Finding the Fourth Proportional to 567,115.17, 849,272.13 and 422,674.68

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Solution

The fourth proportional to 567,115.17, 849,272.13 and 422,674.68 is: 632,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,115.17 : 849,272.13 = 422,674.68 : x
  2. Step 2: Convert to fraction form
    567,115.17/849,272.13 = 422,674.68/x
  3. Step 3: Cross multiply
    567,115.17x = 849,272.13 × 422,674.68
  4. Step 4: Simplify right side
    567,115.17x = 358,965,825,780.67
  5. Step 5: Solve for x
    x = 358,965,825,780.67/567,115.17
  6. Step 6: Final answer
    x = 632,968.12

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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.