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Finding the Fourth Proportional to 296,616.35, 409,330.98 and 160,650.56

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Solution

The fourth proportional to 296,616.35, 409,330.98 and 160,650.56 is: 221,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,616.35 : 409,330.98 = 160,650.56 : x
  2. Step 2: Convert to fraction form
    296,616.35/409,330.98 = 160,650.56/x
  3. Step 3: Cross multiply
    296,616.35x = 409,330.98 × 160,650.56
  4. Step 4: Simplify right side
    296,616.35x = 65,759,249,115.69
  5. Step 5: Solve for x
    x = 65,759,249,115.69/296,616.35
  6. Step 6: Final answer
    x = 221,698.00

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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.