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Finding the Fourth Proportional to 317,983.60, 476,100.60 and 302,237.20

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Solution

The fourth proportional to 317,983.60, 476,100.60 and 302,237.20 is: 452,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,983.60 : 476,100.60 = 302,237.20 : x
  2. Step 2: Convert to fraction form
    317,983.60/476,100.60 = 302,237.20/x
  3. Step 3: Cross multiply
    317,983.60x = 476,100.60 × 302,237.20
  4. Step 4: Simplify right side
    317,983.60x = 143,895,312,262.32
  5. Step 5: Solve for x
    x = 143,895,312,262.32/317,983.60
  6. Step 6: Final answer
    x = 452,524.32

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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.