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Finding the Fourth Proportional to 374,878.82, 516,794.57 and 267,262.02

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Solution

The fourth proportional to 374,878.82, 516,794.57 and 267,262.02 is: 368,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,878.82 : 516,794.57 = 267,262.02 : x
  2. Step 2: Convert to fraction form
    374,878.82/516,794.57 = 267,262.02/x
  3. Step 3: Cross multiply
    374,878.82x = 516,794.57 × 267,262.02
  4. Step 4: Simplify right side
    374,878.82x = 138,119,559,366.92
  5. Step 5: Solve for x
    x = 138,119,559,366.92/374,878.82
  6. Step 6: Final answer
    x = 368,437.89

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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.