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Finding the Fourth Proportional to 504,545.94, 696,442.13 and 300,660.82

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Solution

The fourth proportional to 504,545.94, 696,442.13 and 300,660.82 is: 415,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,545.94 : 696,442.13 = 300,660.82 : x
  2. Step 2: Convert to fraction form
    504,545.94/696,442.13 = 300,660.82/x
  3. Step 3: Cross multiply
    504,545.94x = 696,442.13 × 300,660.82
  4. Step 4: Simplify right side
    504,545.94x = 209,392,861,255.60
  5. Step 5: Solve for x
    x = 209,392,861,255.60/504,545.94
  6. Step 6: Final answer
    x = 415,012.48

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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.