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Finding the Fourth Proportional to 243,388.62, 337,594.64 and 236,915.10

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Solution

The fourth proportional to 243,388.62, 337,594.64 and 236,915.10 is: 328,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,388.62 : 337,594.64 = 236,915.10 : x
  2. Step 2: Convert to fraction form
    243,388.62/337,594.64 = 236,915.10/x
  3. Step 3: Cross multiply
    243,388.62x = 337,594.64 × 236,915.10
  4. Step 4: Simplify right side
    243,388.62x = 79,981,266,710.49
  5. Step 5: Solve for x
    x = 79,981,266,710.49/243,388.62
  6. Step 6: Final answer
    x = 328,615.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.