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Finding the Fourth Proportional to 526,460.82, 726,516.06 and 297,066.78

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Solution

The fourth proportional to 526,460.82, 726,516.06 and 297,066.78 is: 409,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,460.82 : 726,516.06 = 297,066.78 : x
  2. Step 2: Convert to fraction form
    526,460.82/726,516.06 = 297,066.78/x
  3. Step 3: Cross multiply
    526,460.82x = 726,516.06 × 297,066.78
  4. Step 4: Simplify right side
    526,460.82x = 215,823,786,562.49
  5. Step 5: Solve for x
    x = 215,823,786,562.49/526,460.82
  6. Step 6: Final answer
    x = 409,952.23

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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.