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Finding the Fourth Proportional to 292,754.25, 404,001.14 and 158,618.25

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Solution

The fourth proportional to 292,754.25, 404,001.14 and 158,618.25 is: 218,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,754.25 : 404,001.14 = 158,618.25 : x
  2. Step 2: Convert to fraction form
    292,754.25/404,001.14 = 158,618.25/x
  3. Step 3: Cross multiply
    292,754.25x = 404,001.14 × 158,618.25
  4. Step 4: Simplify right side
    292,754.25x = 64,081,953,031.71
  5. Step 5: Solve for x
    x = 64,081,953,031.71/292,754.25
  6. Step 6: Final answer
    x = 218,893.33

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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.