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Finding the Fourth Proportional to 365,113.19, 546,337.59 and 215,425.19

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Solution

The fourth proportional to 365,113.19, 546,337.59 and 215,425.19 is: 322,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,113.19 : 546,337.59 = 215,425.19 : x
  2. Step 2: Convert to fraction form
    365,113.19/546,337.59 = 215,425.19/x
  3. Step 3: Cross multiply
    365,113.19x = 546,337.59 × 215,425.19
  4. Step 4: Simplify right side
    365,113.19x = 117,694,876,398.20
  5. Step 5: Solve for x
    x = 117,694,876,398.20/365,113.19
  6. Step 6: Final answer
    x = 322,351.76

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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.