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Finding the Fourth Proportional to 317,758.57, 476,637.17 and 199,512.94

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Solution

The fourth proportional to 317,758.57, 476,637.17 and 199,512.94 is: 299,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,758.57 : 476,637.17 = 199,512.94 : x
  2. Step 2: Convert to fraction form
    317,758.57/476,637.17 = 199,512.94/x
  3. Step 3: Cross multiply
    317,758.57x = 476,637.17 × 199,512.94
  4. Step 4: Simplify right side
    317,758.57x = 95,095,282,102.42
  5. Step 5: Solve for x
    x = 95,095,282,102.42/317,758.57
  6. Step 6: Final answer
    x = 299,268.98

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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.