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Finding the Fourth Proportional to 372,707.60, 559,061.40 and 332,272.40

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Solution

The fourth proportional to 372,707.60, 559,061.40 and 332,272.40 is: 498,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,707.60 : 559,061.40 = 332,272.40 : x
  2. Step 2: Convert to fraction form
    372,707.60/559,061.40 = 332,272.40/x
  3. Step 3: Cross multiply
    372,707.60x = 559,061.40 × 332,272.40
  4. Step 4: Simplify right side
    372,707.60x = 185,760,673,125.36
  5. Step 5: Solve for x
    x = 185,760,673,125.36/372,707.60
  6. Step 6: Final answer
    x = 498,408.60

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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.