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Finding the Fourth Proportional to 557,706.48, 836,434.08 and 158,339.04

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Solution

The fourth proportional to 557,706.48, 836,434.08 and 158,339.04 is: 237,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,706.48 : 836,434.08 = 158,339.04 : x
  2. Step 2: Convert to fraction form
    557,706.48/836,434.08 = 158,339.04/x
  3. Step 3: Cross multiply
    557,706.48x = 836,434.08 × 158,339.04
  4. Step 4: Simplify right side
    557,706.48x = 132,440,169,250.48
  5. Step 5: Solve for x
    x = 132,440,169,250.48/557,706.48
  6. Step 6: Final answer
    x = 237,472.89

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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.