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Finding the Fourth Proportional to 292,383.61, 403,490.61 and 158,247.61

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Solution

The fourth proportional to 292,383.61, 403,490.61 and 158,247.61 is: 218,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,383.61 : 403,490.61 = 158,247.61 : x
  2. Step 2: Convert to fraction form
    292,383.61/403,490.61 = 158,247.61/x
  3. Step 3: Cross multiply
    292,383.61x = 403,490.61 × 158,247.61
  4. Step 4: Simplify right side
    292,383.61x = 63,851,424,689.94
  5. Step 5: Solve for x
    x = 63,851,424,689.94/292,383.61
  6. Step 6: Final answer
    x = 218,382.37

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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.