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Finding the Fourth Proportional to 503,401.73, 694,572.86 and 296,678.62

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Solution

The fourth proportional to 503,401.73, 694,572.86 and 296,678.62 is: 409,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,401.73 : 694,572.86 = 296,678.62 : x
  2. Step 2: Convert to fraction form
    503,401.73/694,572.86 = 296,678.62/x
  3. Step 3: Cross multiply
    503,401.73x = 694,572.86 × 296,678.62
  4. Step 4: Simplify right side
    503,401.73x = 206,064,916,599.52
  5. Step 5: Solve for x
    x = 206,064,916,599.52/503,401.73
  6. Step 6: Final answer
    x = 409,344.87

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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.