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Finding the Fourth Proportional to 296,709.20, 409,458.22 and 160,746.60

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Solution

The fourth proportional to 296,709.20, 409,458.22 and 160,746.60 is: 221,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,709.20 : 409,458.22 = 160,746.60 : x
  2. Step 2: Convert to fraction form
    296,709.20/409,458.22 = 160,746.60/x
  3. Step 3: Cross multiply
    296,709.20x = 409,458.22 × 160,746.60
  4. Step 4: Simplify right side
    296,709.20x = 65,819,016,707.05
  5. Step 5: Solve for x
    x = 65,819,016,707.05/296,709.20
  6. Step 6: Final answer
    x = 221,830.05

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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.