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Finding the Fourth Proportional to 296,395.52, 409,025.76 and 160,429.44

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Solution

The fourth proportional to 296,395.52, 409,025.76 and 160,429.44 is: 221,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,395.52 : 409,025.76 = 160,429.44 : x
  2. Step 2: Convert to fraction form
    296,395.52/409,025.76 = 160,429.44/x
  3. Step 3: Cross multiply
    296,395.52x = 409,025.76 × 160,429.44
  4. Step 4: Simplify right side
    296,395.52x = 65,619,773,622.37
  5. Step 5: Solve for x
    x = 65,619,773,622.37/296,395.52
  6. Step 6: Final answer
    x = 221,392.60

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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.