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Finding the Fourth Proportional to 255,023.40, 384,445.11 and 237,896.76

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Solution

The fourth proportional to 255,023.40, 384,445.11 and 237,896.76 is: 358,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,023.40 : 384,445.11 = 237,896.76 : x
  2. Step 2: Convert to fraction form
    255,023.40/384,445.11 = 237,896.76/x
  3. Step 3: Cross multiply
    255,023.40x = 384,445.11 × 237,896.76
  4. Step 4: Simplify right side
    255,023.40x = 91,458,246,066.84
  5. Step 5: Solve for x
    x = 91,458,246,066.84/255,023.40
  6. Step 6: Final answer
    x = 358,626.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.