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Finding the Fourth Proportional to 474,690.52, 655,073.63 and 259,844.19

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Solution

The fourth proportional to 474,690.52, 655,073.63 and 259,844.19 is: 358,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,690.52 : 655,073.63 = 259,844.19 : x
  2. Step 2: Convert to fraction form
    474,690.52/655,073.63 = 259,844.19/x
  3. Step 3: Cross multiply
    474,690.52x = 655,073.63 × 259,844.19
  4. Step 4: Simplify right side
    474,690.52x = 170,217,072,203.12
  5. Step 5: Solve for x
    x = 170,217,072,203.12/474,690.52
  6. Step 6: Final answer
    x = 358,585.36

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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.