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Finding the Fourth Proportional to 474,656.07, 655,000.10 and 259,754.60

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Solution

The fourth proportional to 474,656.07, 655,000.10 and 259,754.60 is: 358,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,656.07 : 655,000.10 = 259,754.60 : x
  2. Step 2: Convert to fraction form
    474,656.07/655,000.10 = 259,754.60/x
  3. Step 3: Cross multiply
    474,656.07x = 655,000.10 × 259,754.60
  4. Step 4: Simplify right side
    474,656.07x = 170,139,284,401.69
  5. Step 5: Solve for x
    x = 170,139,284,401.69/474,656.07
  6. Step 6: Final answer
    x = 358,447.51

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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.