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Finding the Fourth Proportional to 546,750.60, 820,125.90 and 447,023.40

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Solution

The fourth proportional to 546,750.60, 820,125.90 and 447,023.40 is: 670,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,750.60 : 820,125.90 = 447,023.40 : x
  2. Step 2: Convert to fraction form
    546,750.60/820,125.90 = 447,023.40/x
  3. Step 3: Cross multiply
    546,750.60x = 820,125.90 × 447,023.40
  4. Step 4: Simplify right side
    546,750.60x = 366,615,468,246.06
  5. Step 5: Solve for x
    x = 366,615,468,246.06/546,750.60
  6. Step 6: Final answer
    x = 670,535.10

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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.