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Finding the Fourth Proportional to 481,502.60, 723,809.10 and 342,225.80

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Solution

The fourth proportional to 481,502.60, 723,809.10 and 342,225.80 is: 514,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,502.60 : 723,809.10 = 342,225.80 : x
  2. Step 2: Convert to fraction form
    481,502.60/723,809.10 = 342,225.80/x
  3. Step 3: Cross multiply
    481,502.60x = 723,809.10 × 342,225.80
  4. Step 4: Simplify right side
    481,502.60x = 247,706,148,294.78
  5. Step 5: Solve for x
    x = 247,706,148,294.78/481,502.60
  6. Step 6: Final answer
    x = 514,444.05

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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.