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Finding the Fourth Proportional to 474,783.34, 655,215.78 and 259,943.44

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Solution

The fourth proportional to 474,783.34, 655,215.78 and 259,943.44 is: 358,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,783.34 : 655,215.78 = 259,943.44 : x
  2. Step 2: Convert to fraction form
    474,783.34/655,215.78 = 259,943.44/x
  3. Step 3: Cross multiply
    474,783.34x = 655,215.78 × 259,943.44
  4. Step 4: Simplify right side
    474,783.34x = 170,319,043,795.48
  5. Step 5: Solve for x
    x = 170,319,043,795.48/474,783.34
  6. Step 6: Final answer
    x = 358,730.03

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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.