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Finding the Fourth Proportional to 292,809.72, 404,077.68 and 158,673.72

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Solution

The fourth proportional to 292,809.72, 404,077.68 and 158,673.72 is: 218,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,809.72 : 404,077.68 = 158,673.72 : x
  2. Step 2: Convert to fraction form
    292,809.72/404,077.68 = 158,673.72/x
  3. Step 3: Cross multiply
    292,809.72x = 404,077.68 × 158,673.72
  4. Step 4: Simplify right side
    292,809.72x = 64,116,508,654.57
  5. Step 5: Solve for x
    x = 64,116,508,654.57/292,809.72
  6. Step 6: Final answer
    x = 218,969.88

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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.