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Finding the Fourth Proportional to 353,480.76, 531,106.88 and 332,223.12

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Solution

The fourth proportional to 353,480.76, 531,106.88 and 332,223.12 is: 499,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,480.76 : 531,106.88 = 332,223.12 : x
  2. Step 2: Convert to fraction form
    353,480.76/531,106.88 = 332,223.12/x
  3. Step 3: Cross multiply
    353,480.76x = 531,106.88 × 332,223.12
  4. Step 4: Simplify right side
    353,480.76x = 176,445,983,065.95
  5. Step 5: Solve for x
    x = 176,445,983,065.95/353,480.76
  6. Step 6: Final answer
    x = 499,167.15

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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.