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Finding the Fourth Proportional to 522,754.56, 721,401.39 and 296,400.06

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Solution

The fourth proportional to 522,754.56, 721,401.39 and 296,400.06 is: 409,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,754.56 : 721,401.39 = 296,400.06 : x
  2. Step 2: Convert to fraction form
    522,754.56/721,401.39 = 296,400.06/x
  3. Step 3: Cross multiply
    522,754.56x = 721,401.39 × 296,400.06
  4. Step 4: Simplify right side
    522,754.56x = 213,823,415,280.08
  5. Step 5: Solve for x
    x = 213,823,415,280.08/522,754.56
  6. Step 6: Final answer
    x = 409,032.14

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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.