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Finding the Fourth Proportional to 654,778.94, 903,706.18 and 483,586.24

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Solution

The fourth proportional to 654,778.94, 903,706.18 and 483,586.24 is: 667,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,778.94 : 903,706.18 = 483,586.24 : x
  2. Step 2: Convert to fraction form
    654,778.94/903,706.18 = 483,586.24/x
  3. Step 3: Cross multiply
    654,778.94x = 903,706.18 × 483,586.24
  4. Step 4: Simplify right side
    654,778.94x = 437,019,873,650.96
  5. Step 5: Solve for x
    x = 437,019,873,650.96/654,778.94
  6. Step 6: Final answer
    x = 667,431.17

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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.