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Finding the Fourth Proportional to 317,570.46, 476,449.26 and 127,933.24

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Solution

The fourth proportional to 317,570.46, 476,449.26 and 127,933.24 is: 191,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,570.46 : 476,449.26 = 127,933.24 : x
  2. Step 2: Convert to fraction form
    317,570.46/476,449.26 = 127,933.24/x
  3. Step 3: Cross multiply
    317,570.46x = 476,449.26 × 127,933.24
  4. Step 4: Simplify right side
    317,570.46x = 60,953,697,527.40
  5. Step 5: Solve for x
    x = 60,953,697,527.40/317,570.46
  6. Step 6: Final answer
    x = 191,937.55

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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.