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Finding the Fourth Proportional to 659,096.88, 909,518.34 and 372,599.88

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Solution

The fourth proportional to 659,096.88, 909,518.34 and 372,599.88 is: 514,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,096.88 : 909,518.34 = 372,599.88 : x
  2. Step 2: Convert to fraction form
    659,096.88/909,518.34 = 372,599.88/x
  3. Step 3: Cross multiply
    659,096.88x = 909,518.34 × 372,599.88
  4. Step 4: Simplify right side
    659,096.88x = 338,886,424,341.80
  5. Step 5: Solve for x
    x = 338,886,424,341.80/659,096.88
  6. Step 6: Final answer
    x = 514,167.85

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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.