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Finding the Fourth Proportional to 557,564.42, 836,343.90 and 158,205.92

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Solution

The fourth proportional to 557,564.42, 836,343.90 and 158,205.92 is: 237,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,564.42 : 836,343.90 = 158,205.92 : x
  2. Step 2: Convert to fraction form
    557,564.42/836,343.90 = 158,205.92/x
  3. Step 3: Cross multiply
    557,564.42x = 836,343.90 × 158,205.92
  4. Step 4: Simplify right side
    557,564.42x = 132,314,556,135.89
  5. Step 5: Solve for x
    x = 132,314,556,135.89/557,564.42
  6. Step 6: Final answer
    x = 237,308.10

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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.