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Finding the Fourth Proportional to 493,303.39, 680,759.28 and 266,948.89

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Solution

The fourth proportional to 493,303.39, 680,759.28 and 266,948.89 is: 368,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,303.39 : 680,759.28 = 266,948.89 : x
  2. Step 2: Convert to fraction form
    493,303.39/680,759.28 = 266,948.89/x
  3. Step 3: Cross multiply
    493,303.39x = 680,759.28 × 266,948.89
  4. Step 4: Simplify right side
    493,303.39x = 181,727,934,153.20
  5. Step 5: Solve for x
    x = 181,727,934,153.20/493,303.39
  6. Step 6: Final answer
    x = 368,389.79

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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.