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Finding the Fourth Proportional to 557,366.67, 836,271.54 and 178,345.80

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Solution

The fourth proportional to 557,366.67, 836,271.54 and 178,345.80 is: 267,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,366.67 : 836,271.54 = 178,345.80 : x
  2. Step 2: Convert to fraction form
    557,366.67/836,271.54 = 178,345.80/x
  3. Step 3: Cross multiply
    557,366.67x = 836,271.54 × 178,345.80
  4. Step 4: Simplify right side
    557,366.67x = 149,145,516,818.53
  5. Step 5: Solve for x
    x = 149,145,516,818.53/557,366.67
  6. Step 6: Final answer
    x = 267,589.59

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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.