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Finding the Fourth Proportional to 506,408.92, 759,986.58 and 240,170.20

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Solution

The fourth proportional to 506,408.92, 759,986.58 and 240,170.20 is: 360,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,408.92 : 759,986.58 = 240,170.20 : x
  2. Step 2: Convert to fraction form
    506,408.92/759,986.58 = 240,170.20/x
  3. Step 3: Cross multiply
    506,408.92x = 759,986.58 × 240,170.20
  4. Step 4: Simplify right side
    506,408.92x = 182,526,128,915.92
  5. Step 5: Solve for x
    x = 182,526,128,915.92/506,408.92
  6. Step 6: Final answer
    x = 360,432.29

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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.