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Finding the Fourth Proportional to 292,280.92, 403,348.26 and 163,218.76

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Solution

The fourth proportional to 292,280.92, 403,348.26 and 163,218.76 is: 225,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,280.92 : 403,348.26 = 163,218.76 : x
  2. Step 2: Convert to fraction form
    292,280.92/403,348.26 = 163,218.76/x
  3. Step 3: Cross multiply
    292,280.92x = 403,348.26 × 163,218.76
  4. Step 4: Simplify right side
    292,280.92x = 65,834,002,845.36
  5. Step 5: Solve for x
    x = 65,834,002,845.36/292,280.92
  6. Step 6: Final answer
    x = 225,242.22

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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.