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Finding the Fourth Proportional to 292,353.22, 403,446.65 and 158,217.22

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Solution

The fourth proportional to 292,353.22, 403,446.65 and 158,217.22 is: 218,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,353.22 : 403,446.65 = 158,217.22 : x
  2. Step 2: Convert to fraction form
    292,353.22/403,446.65 = 158,217.22/x
  3. Step 3: Cross multiply
    292,353.22x = 403,446.65 × 158,217.22
  4. Step 4: Simplify right side
    292,353.22x = 63,832,207,381.31
  5. Step 5: Solve for x
    x = 63,832,207,381.31/292,353.22
  6. Step 6: Final answer
    x = 218,339.33

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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.