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Finding the Fourth Proportional to 557,665.64, 836,496.78 and 158,306.76

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Solution

The fourth proportional to 557,665.64, 836,496.78 and 158,306.76 is: 237,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,665.64 : 836,496.78 = 158,306.76 : x
  2. Step 2: Convert to fraction form
    557,665.64/836,496.78 = 158,306.76/x
  3. Step 3: Cross multiply
    557,665.64x = 836,496.78 × 158,306.76
  4. Step 4: Simplify right side
    557,665.64x = 132,423,094,992.23
  5. Step 5: Solve for x
    x = 132,423,094,992.23/557,665.64
  6. Step 6: Final answer
    x = 237,459.66

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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.