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Finding the Fourth Proportional to 317,325.62, 476,455 and 130,701.62

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Solution

The fourth proportional to 317,325.62, 476,455 and 130,701.62 is: 196,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,325.62 : 476,455 = 130,701.62 : x
  2. Step 2: Convert to fraction form
    317,325.62/476,455 = 130,701.62/x
  3. Step 3: Cross multiply
    317,325.62x = 476,455 × 130,701.62
  4. Step 4: Simplify right side
    317,325.62x = 62,273,440,357.10
  5. Step 5: Solve for x
    x = 62,273,440,357.10/317,325.62
  6. Step 6: Final answer
    x = 196,244.60

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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.