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Finding the Fourth Proportional to 532,762.20, 799,596.90 and 217,445.40

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Solution

The fourth proportional to 532,762.20, 799,596.90 and 217,445.40 is: 326,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,762.20 : 799,596.90 = 217,445.40 : x
  2. Step 2: Convert to fraction form
    532,762.20/799,596.90 = 217,445.40/x
  3. Step 3: Cross multiply
    532,762.20x = 799,596.90 × 217,445.40
  4. Step 4: Simplify right side
    532,762.20x = 173,868,667,759.26
  5. Step 5: Solve for x
    x = 173,868,667,759.26/532,762.20
  6. Step 6: Final answer
    x = 326,353.24

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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.