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Finding the Fourth Proportional to 477,625.78, 659,285.42 and 296,443.76

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Solution

The fourth proportional to 477,625.78, 659,285.42 and 296,443.76 is: 409,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,625.78 : 659,285.42 = 296,443.76 : x
  2. Step 2: Convert to fraction form
    477,625.78/659,285.42 = 296,443.76/x
  3. Step 3: Cross multiply
    477,625.78x = 659,285.42 × 296,443.76
  4. Step 4: Simplify right side
    477,625.78x = 195,441,048,817.98
  5. Step 5: Solve for x
    x = 195,441,048,817.98/477,625.78
  6. Step 6: Final answer
    x = 409,192.84

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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.