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Finding the Fourth Proportional to 283,341, 391,010.58 and 156,016.29

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Solution

The fourth proportional to 283,341, 391,010.58 and 156,016.29 is: 215,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,341 : 391,010.58 = 156,016.29 : x
  2. Step 2: Convert to fraction form
    283,341/391,010.58 = 156,016.29/x
  3. Step 3: Cross multiply
    283,341x = 391,010.58 × 156,016.29
  4. Step 4: Simplify right side
    283,341x = 61,004,020,042.35
  5. Step 5: Solve for x
    x = 61,004,020,042.35/283,341
  6. Step 6: Final answer
    x = 215,302.48

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1.5x scale

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.