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Finding the Fourth Proportional to 342,000.10, 471,895.17 and 214,618.29

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Solution

The fourth proportional to 342,000.10, 471,895.17 and 214,618.29 is: 296,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,000.10 : 471,895.17 = 214,618.29 : x
  2. Step 2: Convert to fraction form
    342,000.10/471,895.17 = 214,618.29/x
  3. Step 3: Cross multiply
    342,000.10x = 471,895.17 × 214,618.29
  4. Step 4: Simplify right side
    342,000.10x = 101,277,334,444.66
  5. Step 5: Solve for x
    x = 101,277,334,444.66/342,000.10
  6. Step 6: Final answer
    x = 296,132.47

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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.