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Finding the Fourth Proportional to 292,270.71, 403,218.82 and 169,742.23

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Solution

The fourth proportional to 292,270.71, 403,218.82 and 169,742.23 is: 234,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,270.71 : 403,218.82 = 169,742.23 : x
  2. Step 2: Convert to fraction form
    292,270.71/403,218.82 = 169,742.23/x
  3. Step 3: Cross multiply
    292,270.71x = 403,218.82 × 169,742.23
  4. Step 4: Simplify right side
    292,270.71x = 68,443,261,684.77
  5. Step 5: Solve for x
    x = 68,443,261,684.77/292,270.71
  6. Step 6: Final answer
    x = 234,177.63

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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.