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Finding the Fourth Proportional to 593,680.11, 890,520.13 and 261,256.11

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Solution

The fourth proportional to 593,680.11, 890,520.13 and 261,256.11 is: 391,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,680.11 : 890,520.13 = 261,256.11 : x
  2. Step 2: Convert to fraction form
    593,680.11/890,520.13 = 261,256.11/x
  3. Step 3: Cross multiply
    593,680.11x = 890,520.13 × 261,256.11
  4. Step 4: Simplify right side
    593,680.11x = 232,653,825,040.49
  5. Step 5: Solve for x
    x = 232,653,825,040.49/593,680.11
  6. Step 6: Final answer
    x = 391,884.15

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Double scale
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Similar ratio
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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.