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Finding the Fourth Proportional to 376,666.32, 565,000.40 and 92,358.12

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Solution

The fourth proportional to 376,666.32, 565,000.40 and 92,358.12 is: 138,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,666.32 : 565,000.40 = 92,358.12 : x
  2. Step 2: Convert to fraction form
    376,666.32/565,000.40 = 92,358.12/x
  3. Step 3: Cross multiply
    376,666.32x = 565,000.40 × 92,358.12
  4. Step 4: Simplify right side
    376,666.32x = 52,182,374,743.25
  5. Step 5: Solve for x
    x = 52,182,374,743.25/376,666.32
  6. Step 6: Final answer
    x = 138,537.41

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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.