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Finding the Fourth Proportional to 503,011.92, 694,237.33 and 296,313.69

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Solution

The fourth proportional to 503,011.92, 694,237.33 and 296,313.69 is: 408,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,011.92 : 694,237.33 = 296,313.69 : x
  2. Step 2: Convert to fraction form
    503,011.92/694,237.33 = 296,313.69/x
  3. Step 3: Cross multiply
    503,011.92x = 694,237.33 × 296,313.69
  4. Step 4: Simplify right side
    503,011.92x = 205,712,024,988.05
  5. Step 5: Solve for x
    x = 205,712,024,988.05/503,011.92
  6. Step 6: Final answer
    x = 408,960.54

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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.