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Finding the Fourth Proportional to 296,718.90, 409,472.94 and 160,752.24

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Solution

The fourth proportional to 296,718.90, 409,472.94 and 160,752.24 is: 221,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,718.90 : 409,472.94 = 160,752.24 : x
  2. Step 2: Convert to fraction form
    296,718.90/409,472.94 = 160,752.24/x
  3. Step 3: Cross multiply
    296,718.90x = 409,472.94 × 160,752.24
  4. Step 4: Simplify right side
    296,718.90x = 65,823,692,324.39
  5. Step 5: Solve for x
    x = 65,823,692,324.39/296,718.90
  6. Step 6: Final answer
    x = 221,838.56

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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.