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Finding the Fourth Proportional to 677,855.08, 934,588.89 and 496,251.73

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Solution

The fourth proportional to 677,855.08, 934,588.89 and 496,251.73 is: 684,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,855.08 : 934,588.89 = 496,251.73 : x
  2. Step 2: Convert to fraction form
    677,855.08/934,588.89 = 496,251.73/x
  3. Step 3: Cross multiply
    677,855.08x = 934,588.89 × 496,251.73
  4. Step 4: Simplify right side
    677,855.08x = 463,791,353,273.81
  5. Step 5: Solve for x
    x = 463,791,353,273.81/677,855.08
  6. Step 6: Final answer
    x = 684,204.29

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Double scale
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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.