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Finding the Fourth Proportional to 317,880.48, 476,377.28 and 238,902.24

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Solution

The fourth proportional to 317,880.48, 476,377.28 and 238,902.24 is: 358,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,880.48 : 476,377.28 = 238,902.24 : x
  2. Step 2: Convert to fraction form
    317,880.48/476,377.28 = 238,902.24/x
  3. Step 3: Cross multiply
    317,880.48x = 476,377.28 × 238,902.24
  4. Step 4: Simplify right side
    317,880.48x = 113,807,599,277.11
  5. Step 5: Solve for x
    x = 113,807,599,277.11/317,880.48
  6. Step 6: Final answer
    x = 358,020.09

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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.