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Finding the Fourth Proportional to 886,788, 1,223,797.68 and 484,405.92

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Solution

The fourth proportional to 886,788, 1,223,797.68 and 484,405.92 is: 668,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,788 : 1,223,797.68 = 484,405.92 : x
  2. Step 2: Convert to fraction form
    886,788/1,223,797.68 = 484,405.92/x
  3. Step 3: Cross multiply
    886,788x = 1,223,797.68 × 484,405.92
  4. Step 4: Simplify right side
    886,788x = 592,814,841,074.27
  5. Step 5: Solve for x
    x = 592,814,841,074.27/886,788
  6. Step 6: Final answer
    x = 668,496.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.