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Finding the Fourth Proportional to 296,031.13, 408,532.67 and 161,895.13

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Solution

The fourth proportional to 296,031.13, 408,532.67 and 161,895.13 is: 223,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,031.13 : 408,532.67 = 161,895.13 : x
  2. Step 2: Convert to fraction form
    296,031.13/408,532.67 = 161,895.13/x
  3. Step 3: Cross multiply
    296,031.13x = 408,532.67 × 161,895.13
  4. Step 4: Simplify right side
    296,031.13x = 66,139,449,718.90
  5. Step 5: Solve for x
    x = 66,139,449,718.90/296,031.13
  6. Step 6: Final answer
    x = 223,420.59

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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.