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Finding the Fourth Proportional to 317,206.98, 437,751.24 and 173,965.77

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Solution

The fourth proportional to 317,206.98, 437,751.24 and 173,965.77 is: 240,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,206.98 : 437,751.24 = 173,965.77 : x
  2. Step 2: Convert to fraction form
    317,206.98/437,751.24 = 173,965.77/x
  3. Step 3: Cross multiply
    317,206.98x = 437,751.24 × 173,965.77
  4. Step 4: Simplify right side
    317,206.98x = 76,153,731,535.05
  5. Step 5: Solve for x
    x = 76,153,731,535.05/317,206.98
  6. Step 6: Final answer
    x = 240,075.84

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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.