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Finding the Fourth Proportional to 553,895.39, 764,377.73 and 350,036.91

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Solution

The fourth proportional to 553,895.39, 764,377.73 and 350,036.91 is: 483,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,895.39 : 764,377.73 = 350,036.91 : x
  2. Step 2: Convert to fraction form
    553,895.39/764,377.73 = 350,036.91/x
  3. Step 3: Cross multiply
    553,895.39x = 764,377.73 × 350,036.91
  4. Step 4: Simplify right side
    553,895.39x = 267,560,418,682.01
  5. Step 5: Solve for x
    x = 267,560,418,682.01/553,895.39
  6. Step 6: Final answer
    x = 483,052.26

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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.