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Finding the Fourth Proportional to 543,534.68, 750,052.80 and 301,832.70

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Solution

The fourth proportional to 543,534.68, 750,052.80 and 301,832.70 is: 416,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,534.68 : 750,052.80 = 301,832.70 : x
  2. Step 2: Convert to fraction form
    543,534.68/750,052.80 = 301,832.70/x
  3. Step 3: Cross multiply
    543,534.68x = 750,052.80 × 301,832.70
  4. Step 4: Simplify right side
    543,534.68x = 226,390,461,766.56
  5. Step 5: Solve for x
    x = 226,390,461,766.56/543,534.68
  6. Step 6: Final answer
    x = 416,515.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.