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Finding the Fourth Proportional to 283,452, 391,129.68 and 162,587.04

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Solution

The fourth proportional to 283,452, 391,129.68 and 162,587.04 is: 224,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,452 : 391,129.68 = 162,587.04 : x
  2. Step 2: Convert to fraction form
    283,452/391,129.68 = 162,587.04/x
  3. Step 3: Cross multiply
    283,452x = 391,129.68 × 162,587.04
  4. Step 4: Simplify right side
    283,452x = 63,592,616,927.35
  5. Step 5: Solve for x
    x = 63,592,616,927.35/283,452
  6. Step 6: Final answer
    x = 224,350.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.