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Finding the Fourth Proportional to 292,810.22, 404,078.31 and 158,674.22

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Solution

The fourth proportional to 292,810.22, 404,078.31 and 158,674.22 is: 218,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,810.22 : 404,078.31 = 158,674.22 : x
  2. Step 2: Convert to fraction form
    292,810.22/404,078.31 = 158,674.22/x
  3. Step 3: Cross multiply
    292,810.22x = 404,078.31 × 158,674.22
  4. Step 4: Simplify right side
    292,810.22x = 64,116,810,658.17
  5. Step 5: Solve for x
    x = 64,116,810,658.17/292,810.22
  6. Step 6: Final answer
    x = 218,970.54

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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.