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Finding the Fourth Proportional to 342,712.53, 514,401.03 and 165,344.13

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Solution

The fourth proportional to 342,712.53, 514,401.03 and 165,344.13 is: 248,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,712.53 : 514,401.03 = 165,344.13 : x
  2. Step 2: Convert to fraction form
    342,712.53/514,401.03 = 165,344.13/x
  3. Step 3: Cross multiply
    342,712.53x = 514,401.03 × 165,344.13
  4. Step 4: Simplify right side
    342,712.53x = 85,053,190,776.45
  5. Step 5: Solve for x
    x = 85,053,190,776.45/342,712.53
  6. Step 6: Final answer
    x = 248,176.48

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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.