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Finding the Fourth Proportional to 557,612.19, 836,414.64 and 158,253.21

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Solution

The fourth proportional to 557,612.19, 836,414.64 and 158,253.21 is: 237,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,612.19 : 836,414.64 = 158,253.21 : x
  2. Step 2: Convert to fraction form
    557,612.19/836,414.64 = 158,253.21/x
  3. Step 3: Cross multiply
    557,612.19x = 836,414.64 × 158,253.21
  4. Step 4: Simplify right side
    557,612.19x = 132,365,301,670.99
  5. Step 5: Solve for x
    x = 132,365,301,670.99/557,612.19
  6. Step 6: Final answer
    x = 237,378.78

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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.