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Finding the Fourth Proportional to 474,916.56, 712,452.72 and 225,514.32

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Solution

The fourth proportional to 474,916.56, 712,452.72 and 225,514.32 is: 338,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,916.56 : 712,452.72 = 225,514.32 : x
  2. Step 2: Convert to fraction form
    474,916.56/712,452.72 = 225,514.32/x
  3. Step 3: Cross multiply
    474,916.56x = 712,452.72 × 225,514.32
  4. Step 4: Simplify right side
    474,916.56x = 160,668,290,682.95
  5. Step 5: Solve for x
    x = 160,668,290,682.95/474,916.56
  6. Step 6: Final answer
    x = 338,308.46

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1.5x scale

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.