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Finding the Fourth Proportional to 513,990.65, 767,862.17 and 332,598.34

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Solution

The fourth proportional to 513,990.65, 767,862.17 and 332,598.34 is: 496,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,990.65 : 767,862.17 = 332,598.34 : x
  2. Step 2: Convert to fraction form
    513,990.65/767,862.17 = 332,598.34/x
  3. Step 3: Cross multiply
    513,990.65x = 767,862.17 × 332,598.34
  4. Step 4: Simplify right side
    513,990.65x = 255,389,683,090.80
  5. Step 5: Solve for x
    x = 255,389,683,090.80/513,990.65
  6. Step 6: Final answer
    x = 496,876.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.