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Finding the Fourth Proportional to 800,282.58, 1,104,348.51 and 437,635.86

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Solution

The fourth proportional to 800,282.58, 1,104,348.51 and 437,635.86 is: 603,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,282.58 : 1,104,348.51 = 437,635.86 : x
  2. Step 2: Convert to fraction form
    800,282.58/1,104,348.51 = 437,635.86/x
  3. Step 3: Cross multiply
    800,282.58x = 1,104,348.51 × 437,635.86
  4. Step 4: Simplify right side
    800,282.58x = 483,302,509,913.57
  5. Step 5: Solve for x
    x = 483,302,509,913.57/800,282.58
  6. Step 6: Final answer
    x = 603,914.82

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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.