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Finding the Fourth Proportional to 474,794.60, 655,224.36 and 259,931.12

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Solution

The fourth proportional to 474,794.60, 655,224.36 and 259,931.12 is: 358,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,794.60 : 655,224.36 = 259,931.12 : x
  2. Step 2: Convert to fraction form
    474,794.60/655,224.36 = 259,931.12/x
  3. Step 3: Cross multiply
    474,794.60x = 655,224.36 × 259,931.12
  4. Step 4: Simplify right side
    474,794.60x = 170,313,201,746.08
  5. Step 5: Solve for x
    x = 170,313,201,746.08/474,794.60
  6. Step 6: Final answer
    x = 358,709.22

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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.