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Finding the Fourth Proportional to 296,512.96, 409,186.16 and 160,544.10

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Solution

The fourth proportional to 296,512.96, 409,186.16 and 160,544.10 is: 221,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,512.96 : 409,186.16 = 160,544.10 : x
  2. Step 2: Convert to fraction form
    296,512.96/409,186.16 = 160,544.10/x
  3. Step 3: Cross multiply
    296,512.96x = 409,186.16 × 160,544.10
  4. Step 4: Simplify right side
    296,512.96x = 65,692,423,724.81
  5. Step 5: Solve for x
    x = 65,692,423,724.81/296,512.96
  6. Step 6: Final answer
    x = 221,549.92

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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.