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Finding the Fourth Proportional to 401,701.83, 554,338.69 and 224,890.07

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Solution

The fourth proportional to 401,701.83, 554,338.69 and 224,890.07 is: 310,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,701.83 : 554,338.69 = 224,890.07 : x
  2. Step 2: Convert to fraction form
    401,701.83/554,338.69 = 224,890.07/x
  3. Step 3: Cross multiply
    401,701.83x = 554,338.69 × 224,890.07
  4. Step 4: Simplify right side
    401,701.83x = 124,665,266,797.81
  5. Step 5: Solve for x
    x = 124,665,266,797.81/401,701.83
  6. Step 6: Final answer
    x = 310,342.79

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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.