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Finding the Fourth Proportional to 492,330.80, 738,496.20 and 176,819.60

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Solution

The fourth proportional to 492,330.80, 738,496.20 and 176,819.60 is: 265,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,330.80 : 738,496.20 = 176,819.60 : x
  2. Step 2: Convert to fraction form
    492,330.80/738,496.20 = 176,819.60/x
  3. Step 3: Cross multiply
    492,330.80x = 738,496.20 × 176,819.60
  4. Step 4: Simplify right side
    492,330.80x = 130,580,602,685.52
  5. Step 5: Solve for x
    x = 130,580,602,685.52/492,330.80
  6. Step 6: Final answer
    x = 265,229.40

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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.