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Finding the Fourth Proportional to 416,347.22, 574,560.60 and 225,360.56

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Solution

The fourth proportional to 416,347.22, 574,560.60 and 225,360.56 is: 310,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,347.22 : 574,560.60 = 225,360.56 : x
  2. Step 2: Convert to fraction form
    416,347.22/574,560.60 = 225,360.56/x
  3. Step 3: Cross multiply
    416,347.22x = 574,560.60 × 225,360.56
  4. Step 4: Simplify right side
    416,347.22x = 129,483,298,569.94
  5. Step 5: Solve for x
    x = 129,483,298,569.94/416,347.22
  6. Step 6: Final answer
    x = 310,998.35

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1.5x scale

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.