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Finding the Fourth Proportional to 481,503.60, 723,810.60 and 342,226.80

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Solution

The fourth proportional to 481,503.60, 723,810.60 and 342,226.80 is: 514,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,503.60 : 723,810.60 = 342,226.80 : x
  2. Step 2: Convert to fraction form
    481,503.60/723,810.60 = 342,226.80/x
  3. Step 3: Cross multiply
    481,503.60x = 723,810.60 × 342,226.80
  4. Step 4: Simplify right side
    481,503.60x = 247,707,385,444.08
  5. Step 5: Solve for x
    x = 247,707,385,444.08/481,503.60
  6. Step 6: Final answer
    x = 514,445.55

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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.