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Finding the Fourth Proportional to 376,471.55, 564,587.58 and 123,693.78

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Solution

The fourth proportional to 376,471.55, 564,587.58 and 123,693.78 is: 185,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,471.55 : 564,587.58 = 123,693.78 : x
  2. Step 2: Convert to fraction form
    376,471.55/564,587.58 = 123,693.78/x
  3. Step 3: Cross multiply
    376,471.55x = 564,587.58 × 123,693.78
  4. Step 4: Simplify right side
    376,471.55x = 69,835,971,911.25
  5. Step 5: Solve for x
    x = 69,835,971,911.25/376,471.55
  6. Step 6: Final answer
    x = 185,501.33

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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.