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Finding the Fourth Proportional to 317,518.14, 476,152.68 and 127,943.10

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Solution

The fourth proportional to 317,518.14, 476,152.68 and 127,943.10 is: 191,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,518.14 : 476,152.68 = 127,943.10 : x
  2. Step 2: Convert to fraction form
    317,518.14/476,152.68 = 127,943.10/x
  3. Step 3: Cross multiply
    317,518.14x = 476,152.68 × 127,943.10
  4. Step 4: Simplify right side
    317,518.14x = 60,920,449,952.51
  5. Step 5: Solve for x
    x = 60,920,449,952.51/317,518.14
  6. Step 6: Final answer
    x = 191,864.47

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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.