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Finding the Fourth Proportional to 556,585.43, 768,089.33 and 301,936.61

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Solution

The fourth proportional to 556,585.43, 768,089.33 and 301,936.61 is: 416,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,585.43 : 768,089.33 = 301,936.61 : x
  2. Step 2: Convert to fraction form
    556,585.43/768,089.33 = 301,936.61/x
  3. Step 3: Cross multiply
    556,585.43x = 768,089.33 × 301,936.61
  4. Step 4: Simplify right side
    556,585.43x = 231,914,291,718.57
  5. Step 5: Solve for x
    x = 231,914,291,718.57/556,585.43
  6. Step 6: Final answer
    x = 416,673.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.