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Finding the Fourth Proportional to 615,617.28, 923,523.12 and 236,522.88

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Solution

The fourth proportional to 615,617.28, 923,523.12 and 236,522.88 is: 354,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,617.28 : 923,523.12 = 236,522.88 : x
  2. Step 2: Convert to fraction form
    615,617.28/923,523.12 = 236,522.88/x
  3. Step 3: Cross multiply
    615,617.28x = 923,523.12 × 236,522.88
  4. Step 4: Simplify right side
    615,617.28x = 218,434,348,088.99
  5. Step 5: Solve for x
    x = 218,434,348,088.99/615,617.28
  6. Step 6: Final answer
    x = 354,821.66

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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.