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Finding the Fourth Proportional to 475,033.95, 655,520.72 and 260,132.31

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Solution

The fourth proportional to 475,033.95, 655,520.72 and 260,132.31 is: 358,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,033.95 : 655,520.72 = 260,132.31 : x
  2. Step 2: Convert to fraction form
    475,033.95/655,520.72 = 260,132.31/x
  3. Step 3: Cross multiply
    475,033.95x = 655,520.72 × 260,132.31
  4. Step 4: Simplify right side
    475,033.95x = 170,522,117,845.80
  5. Step 5: Solve for x
    x = 170,522,117,845.80/475,033.95
  6. Step 6: Final answer
    x = 358,968.28

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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.