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Finding the Fourth Proportional to 800,489.19, 1,104,683.81 and 437,905.27

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Solution

The fourth proportional to 800,489.19, 1,104,683.81 and 437,905.27 is: 604,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,489.19 : 1,104,683.81 = 437,905.27 : x
  2. Step 2: Convert to fraction form
    800,489.19/1,104,683.81 = 437,905.27/x
  3. Step 3: Cross multiply
    800,489.19x = 1,104,683.81 × 437,905.27
  4. Step 4: Simplify right side
    800,489.19x = 483,746,854,369.73
  5. Step 5: Solve for x
    x = 483,746,854,369.73/800,489.19
  6. Step 6: Final answer
    x = 604,314.04

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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.