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Finding the Fourth Proportional to 636,805.59, 878,798.97 and 364,868.03

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Solution

The fourth proportional to 636,805.59, 878,798.97 and 364,868.03 is: 503,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,805.59 : 878,798.97 = 364,868.03 : x
  2. Step 2: Convert to fraction form
    636,805.59/878,798.97 = 364,868.03/x
  3. Step 3: Cross multiply
    636,805.59x = 878,798.97 × 364,868.03
  4. Step 4: Simplify right side
    636,805.59x = 320,645,648,949.93
  5. Step 5: Solve for x
    x = 320,645,648,949.93/636,805.59
  6. Step 6: Final answer
    x = 503,522.04

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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.