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Finding the Fourth Proportional to 472,998.12, 652,751.26 and 258,151.98

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Solution

The fourth proportional to 472,998.12, 652,751.26 and 258,151.98 is: 356,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,998.12 : 652,751.26 = 258,151.98 : x
  2. Step 2: Convert to fraction form
    472,998.12/652,751.26 = 258,151.98/x
  3. Step 3: Cross multiply
    472,998.12x = 652,751.26 × 258,151.98
  4. Step 4: Simplify right side
    472,998.12x = 168,509,030,216.50
  5. Step 5: Solve for x
    x = 168,509,030,216.50/472,998.12
  6. Step 6: Final answer
    x = 356,257.29

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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.