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Finding the Fourth Proportional to 292,062.81, 403,229.13 and 223,948.92

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Solution

The fourth proportional to 292,062.81, 403,229.13 and 223,948.92 is: 309,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,062.81 : 403,229.13 = 223,948.92 : x
  2. Step 2: Convert to fraction form
    292,062.81/403,229.13 = 223,948.92/x
  3. Step 3: Cross multiply
    292,062.81x = 403,229.13 × 223,948.92
  4. Step 4: Simplify right side
    292,062.81x = 90,302,728,176.04
  5. Step 5: Solve for x
    x = 90,302,728,176.04/292,062.81
  6. Step 6: Final answer
    x = 309,189.41

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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.