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Finding the Fourth Proportional to 468,034.80, 702,052.20 and 255,458.40

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Solution

The fourth proportional to 468,034.80, 702,052.20 and 255,458.40 is: 383,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,034.80 : 702,052.20 = 255,458.40 : x
  2. Step 2: Convert to fraction form
    468,034.80/702,052.20 = 255,458.40/x
  3. Step 3: Cross multiply
    468,034.80x = 702,052.20 × 255,458.40
  4. Step 4: Simplify right side
    468,034.80x = 179,345,131,728.48
  5. Step 5: Solve for x
    x = 179,345,131,728.48/468,034.80
  6. Step 6: Final answer
    x = 383,187.60

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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.