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Finding the Fourth Proportional to 395,618.59, 593,427.71 and 262,758.19

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Solution

The fourth proportional to 395,618.59, 593,427.71 and 262,758.19 is: 394,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,618.59 : 593,427.71 = 262,758.19 : x
  2. Step 2: Convert to fraction form
    395,618.59/593,427.71 = 262,758.19/x
  3. Step 3: Cross multiply
    395,618.59x = 593,427.71 × 262,758.19
  4. Step 4: Simplify right side
    395,618.59x = 155,927,989,661.65
  5. Step 5: Solve for x
    x = 155,927,989,661.65/395,618.59
  6. Step 6: Final answer
    x = 394,137.17

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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.