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Finding the Fourth Proportional to 473,379.87, 653,260.77 and 258,519.87

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Solution

The fourth proportional to 473,379.87, 653,260.77 and 258,519.87 is: 356,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,379.87 : 653,260.77 = 258,519.87 : x
  2. Step 2: Convert to fraction form
    473,379.87/653,260.77 = 258,519.87/x
  3. Step 3: Cross multiply
    473,379.87x = 653,260.77 × 258,519.87
  4. Step 4: Simplify right side
    473,379.87x = 168,880,889,336.50
  5. Step 5: Solve for x
    x = 168,880,889,336.50/473,379.87
  6. Step 6: Final answer
    x = 356,755.54

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1.5x scale

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.