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Finding the Fourth Proportional to 370,523.40, 555,769.62 and 157,232.76

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Solution

The fourth proportional to 370,523.40, 555,769.62 and 157,232.76 is: 235,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,523.40 : 555,769.62 = 157,232.76 : x
  2. Step 2: Convert to fraction form
    370,523.40/555,769.62 = 157,232.76/x
  3. Step 3: Cross multiply
    370,523.40x = 555,769.62 × 157,232.76
  4. Step 4: Simplify right side
    370,523.40x = 87,385,191,276.75
  5. Step 5: Solve for x
    x = 87,385,191,276.75/370,523.40
  6. Step 6: Final answer
    x = 235,842.57

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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.