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Finding the Fourth Proportional to 619,553.66, 928,956.60 and 277,934.81

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Solution

The fourth proportional to 619,553.66, 928,956.60 and 277,934.81 is: 416,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,553.66 : 928,956.60 = 277,934.81 : x
  2. Step 2: Convert to fraction form
    619,553.66/928,956.60 = 277,934.81/x
  3. Step 3: Cross multiply
    619,553.66x = 928,956.60 × 277,934.81
  4. Step 4: Simplify right side
    619,553.66x = 258,189,371,474.46
  5. Step 5: Solve for x
    x = 258,189,371,474.46/619,553.66
  6. Step 6: Final answer
    x = 416,734.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.