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Finding the Fourth Proportional to 317,317.80, 476,754.30 and 238,585.80

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Solution

The fourth proportional to 317,317.80, 476,754.30 and 238,585.80 is: 358,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,317.80 : 476,754.30 = 238,585.80 : x
  2. Step 2: Convert to fraction form
    317,317.80/476,754.30 = 238,585.80/x
  3. Step 3: Cross multiply
    317,317.80x = 476,754.30 × 238,585.80
  4. Step 4: Simplify right side
    317,317.80x = 113,746,806,068.94
  5. Step 5: Solve for x
    x = 113,746,806,068.94/317,317.80
  6. Step 6: Final answer
    x = 358,463.36

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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.