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Finding the Fourth Proportional to 317,400.60, 476,100.90 and 275,928.60

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Solution

The fourth proportional to 317,400.60, 476,100.90 and 275,928.60 is: 413,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,400.60 : 476,100.90 = 275,928.60 : x
  2. Step 2: Convert to fraction form
    317,400.60/476,100.90 = 275,928.60/x
  3. Step 3: Cross multiply
    317,400.60x = 476,100.90 × 275,928.60
  4. Step 4: Simplify right side
    317,400.60x = 131,369,854,795.74
  5. Step 5: Solve for x
    x = 131,369,854,795.74/317,400.60
  6. Step 6: Final answer
    x = 413,892.90

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1.5x scale

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.