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Finding the Fourth Proportional to 650,327.20, 974,713.20 and 334,621.60

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Solution

The fourth proportional to 650,327.20, 974,713.20 and 334,621.60 is: 501,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,327.20 : 974,713.20 = 334,621.60 : x
  2. Step 2: Convert to fraction form
    650,327.20/974,713.20 = 334,621.60/x
  3. Step 3: Cross multiply
    650,327.20x = 974,713.20 × 334,621.60
  4. Step 4: Simplify right side
    650,327.20x = 326,160,090,525.12
  5. Step 5: Solve for x
    x = 326,160,090,525.12/650,327.20
  6. Step 6: Final answer
    x = 501,532.29

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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.