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Finding the Fourth Proportional to 500,753.39, 750,274.29 and 357,868.64

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Solution

The fourth proportional to 500,753.39, 750,274.29 and 357,868.64 is: 536,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,753.39 : 750,274.29 = 357,868.64 : x
  2. Step 2: Convert to fraction form
    500,753.39/750,274.29 = 357,868.64/x
  3. Step 3: Cross multiply
    500,753.39x = 750,274.29 × 357,868.64
  4. Step 4: Simplify right side
    500,753.39x = 268,499,641,664.95
  5. Step 5: Solve for x
    x = 268,499,641,664.95/500,753.39
  6. Step 6: Final answer
    x = 536,191.37

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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.