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Finding the Fourth Proportional to 546,834.40, 820,251.60 and 346,505.20

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Solution

The fourth proportional to 546,834.40, 820,251.60 and 346,505.20 is: 519,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,834.40 : 820,251.60 = 346,505.20 : x
  2. Step 2: Convert to fraction form
    546,834.40/820,251.60 = 346,505.20/x
  3. Step 3: Cross multiply
    546,834.40x = 820,251.60 × 346,505.20
  4. Step 4: Simplify right side
    546,834.40x = 284,221,444,708.32
  5. Step 5: Solve for x
    x = 284,221,444,708.32/546,834.40
  6. Step 6: Final answer
    x = 519,757.80

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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.