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Finding the Fourth Proportional to 636,804.59, 878,797.59 and 364,867.03

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Solution

The fourth proportional to 636,804.59, 878,797.59 and 364,867.03 is: 503,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,804.59 : 878,797.59 = 364,867.03 : x
  2. Step 2: Convert to fraction form
    636,804.59/878,797.59 = 364,867.03/x
  3. Step 3: Cross multiply
    636,804.59x = 878,797.59 × 364,867.03
  4. Step 4: Simplify right side
    636,804.59x = 320,644,266,634.46
  5. Step 5: Solve for x
    x = 320,644,266,634.46/636,804.59
  6. Step 6: Final answer
    x = 503,520.66

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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.