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Finding the Fourth Proportional to 473,237.92, 653,065.41 and 258,378

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Solution

The fourth proportional to 473,237.92, 653,065.41 and 258,378 is: 356,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,237.92 : 653,065.41 = 258,378 : x
  2. Step 2: Convert to fraction form
    473,237.92/653,065.41 = 258,378/x
  3. Step 3: Cross multiply
    473,237.92x = 653,065.41 × 258,378
  4. Step 4: Simplify right side
    473,237.92x = 168,737,734,504.98
  5. Step 5: Solve for x
    x = 168,737,734,504.98/473,237.92
  6. Step 6: Final answer
    x = 356,560.05

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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.