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Finding the Fourth Proportional to 474,710.61, 655,117.30 and 259,850.85

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Solution

The fourth proportional to 474,710.61, 655,117.30 and 259,850.85 is: 358,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,710.61 : 655,117.30 = 259,850.85 : x
  2. Step 2: Convert to fraction form
    474,710.61/655,117.30 = 259,850.85/x
  3. Step 3: Cross multiply
    474,710.61x = 655,117.30 × 259,850.85
  4. Step 4: Simplify right side
    474,710.61x = 170,232,785,786.18
  5. Step 5: Solve for x
    x = 170,232,785,786.18/474,710.61
  6. Step 6: Final answer
    x = 358,603.29

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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.