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Finding the Fourth Proportional to 296,466.72, 409,122.18 and 160,499.70

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Solution

The fourth proportional to 296,466.72, 409,122.18 and 160,499.70 is: 221,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,466.72 : 409,122.18 = 160,499.70 : x
  2. Step 2: Convert to fraction form
    296,466.72/409,122.18 = 160,499.70/x
  3. Step 3: Cross multiply
    296,466.72x = 409,122.18 × 160,499.70
  4. Step 4: Simplify right side
    296,466.72x = 65,663,987,153.35
  5. Step 5: Solve for x
    x = 65,663,987,153.35/296,466.72
  6. Step 6: Final answer
    x = 221,488.56

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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.