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Finding the Fourth Proportional to 474,803.52, 655,209.12 and 259,938.24

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Solution

The fourth proportional to 474,803.52, 655,209.12 and 259,938.24 is: 358,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,803.52 : 655,209.12 = 259,938.24 : x
  2. Step 2: Convert to fraction form
    474,803.52/655,209.12 = 259,938.24/x
  3. Step 3: Cross multiply
    474,803.52x = 655,209.12 × 259,938.24
  4. Step 4: Simplify right side
    474,803.52x = 170,313,905,484.75
  5. Step 5: Solve for x
    x = 170,313,905,484.75/474,803.52
  6. Step 6: Final answer
    x = 358,703.97

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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.