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Finding the Fourth Proportional to 296,468.75, 409,124.03 and 160,499.21

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Solution

The fourth proportional to 296,468.75, 409,124.03 and 160,499.21 is: 221,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,468.75 : 409,124.03 = 160,499.21 : x
  2. Step 2: Convert to fraction form
    296,468.75/409,124.03 = 160,499.21/x
  3. Step 3: Cross multiply
    296,468.75x = 409,124.03 × 160,499.21
  4. Step 4: Simplify right side
    296,468.75x = 65,664,085,031.07
  5. Step 5: Solve for x
    x = 65,664,085,031.07/296,468.75
  6. Step 6: Final answer
    x = 221,487.37

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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.