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Finding the Fourth Proportional to 574,572.16, 861,569.76 and 334,763.68

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Solution

The fourth proportional to 574,572.16, 861,569.76 and 334,763.68 is: 501,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,572.16 : 861,569.76 = 334,763.68 : x
  2. Step 2: Convert to fraction form
    574,572.16/861,569.76 = 334,763.68/x
  3. Step 3: Cross multiply
    574,572.16x = 861,569.76 × 334,763.68
  4. Step 4: Simplify right side
    574,572.16x = 288,422,263,434.32
  5. Step 5: Solve for x
    x = 288,422,263,434.32/574,572.16
  6. Step 6: Final answer
    x = 501,977.44

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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.