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Finding the Fourth Proportional to 474,347.52, 654,635.09 and 270,403.29

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Solution

The fourth proportional to 474,347.52, 654,635.09 and 270,403.29 is: 373,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,347.52 : 654,635.09 = 270,403.29 : x
  2. Step 2: Convert to fraction form
    474,347.52/654,635.09 = 270,403.29/x
  3. Step 3: Cross multiply
    474,347.52x = 654,635.09 × 270,403.29
  4. Step 4: Simplify right side
    474,347.52x = 177,015,482,085.45
  5. Step 5: Solve for x
    x = 177,015,482,085.45/474,347.52
  6. Step 6: Final answer
    x = 373,176.78

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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.