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Finding the Fourth Proportional to 557,544.68, 836,348.79 and 158,154.20

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Solution

The fourth proportional to 557,544.68, 836,348.79 and 158,154.20 is: 237,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,544.68 : 836,348.79 = 158,154.20 : x
  2. Step 2: Convert to fraction form
    557,544.68/836,348.79 = 158,154.20/x
  3. Step 3: Cross multiply
    557,544.68x = 836,348.79 × 158,154.20
  4. Step 4: Simplify right side
    557,544.68x = 132,272,073,803.42
  5. Step 5: Solve for x
    x = 132,272,073,803.42/557,544.68
  6. Step 6: Final answer
    x = 237,240.31

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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.