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Finding the Fourth Proportional to 481,502.10, 723,808.35 and 342,225.30

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Solution

The fourth proportional to 481,502.10, 723,808.35 and 342,225.30 is: 514,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,502.10 : 723,808.35 = 342,225.30 : x
  2. Step 2: Convert to fraction form
    481,502.10/723,808.35 = 342,225.30/x
  3. Step 3: Cross multiply
    481,502.10x = 723,808.35 × 342,225.30
  4. Step 4: Simplify right side
    481,502.10x = 247,705,529,721.26
  5. Step 5: Solve for x
    x = 247,705,529,721.26/481,502.10
  6. Step 6: Final answer
    x = 514,443.30

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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.