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Finding the Fourth Proportional to 396,432.50, 547,069.07 and 224,347.26

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Solution

The fourth proportional to 396,432.50, 547,069.07 and 224,347.26 is: 309,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,432.50 : 547,069.07 = 224,347.26 : x
  2. Step 2: Convert to fraction form
    396,432.50/547,069.07 = 224,347.26/x
  3. Step 3: Cross multiply
    396,432.50x = 547,069.07 × 224,347.26
  4. Step 4: Simplify right side
    396,432.50x = 122,733,445,763.51
  5. Step 5: Solve for x
    x = 122,733,445,763.51/396,432.50
  6. Step 6: Final answer
    x = 309,594.82

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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.