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Finding the Fourth Proportional to 574,568.16, 861,563.76 and 334,759.68

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Solution

The fourth proportional to 574,568.16, 861,563.76 and 334,759.68 is: 501,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,568.16 : 861,563.76 = 334,759.68 : x
  2. Step 2: Convert to fraction form
    574,568.16/861,563.76 = 334,759.68/x
  3. Step 3: Cross multiply
    574,568.16x = 861,563.76 × 334,759.68
  4. Step 4: Simplify right side
    574,568.16x = 288,416,808,597.20
  5. Step 5: Solve for x
    x = 288,416,808,597.20/574,568.16
  6. Step 6: Final answer
    x = 501,971.44

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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.