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Finding the Fourth Proportional to 437,246.65, 655,317.40 and 234,338.51

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Solution

The fourth proportional to 437,246.65, 655,317.40 and 234,338.51 is: 351,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,246.65 : 655,317.40 = 234,338.51 : x
  2. Step 2: Convert to fraction form
    437,246.65/655,317.40 = 234,338.51/x
  3. Step 3: Cross multiply
    437,246.65x = 655,317.40 × 234,338.51
  4. Step 4: Simplify right side
    437,246.65x = 153,566,104,145.52
  5. Step 5: Solve for x
    x = 153,566,104,145.52/437,246.65
  6. Step 6: Final answer
    x = 351,211.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.