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Finding the Fourth Proportional to 312,083.70, 468,125.55 and 237,434.10

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Solution

The fourth proportional to 312,083.70, 468,125.55 and 237,434.10 is: 356,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,083.70 : 468,125.55 = 237,434.10 : x
  2. Step 2: Convert to fraction form
    312,083.70/468,125.55 = 237,434.10/x
  3. Step 3: Cross multiply
    312,083.70x = 468,125.55 × 237,434.10
  4. Step 4: Simplify right side
    312,083.70x = 111,148,968,651.26
  5. Step 5: Solve for x
    x = 111,148,968,651.26/312,083.70
  6. Step 6: Final answer
    x = 356,151.15

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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.