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Finding the Fourth Proportional to 474,855.47, 655,275.38 and 259,954.17

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Solution

The fourth proportional to 474,855.47, 655,275.38 and 259,954.17 is: 358,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,855.47 : 655,275.38 = 259,954.17 : x
  2. Step 2: Convert to fraction form
    474,855.47/655,275.38 = 259,954.17/x
  3. Step 3: Cross multiply
    474,855.47x = 655,275.38 × 259,954.17
  4. Step 4: Simplify right side
    474,855.47x = 170,341,567,529.34
  5. Step 5: Solve for x
    x = 170,341,567,529.34/474,855.47
  6. Step 6: Final answer
    x = 358,722.98

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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.