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Finding the Fourth Proportional to 537,798.66, 806,509.80 and 158,618.74

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Solution

The fourth proportional to 537,798.66, 806,509.80 and 158,618.74 is: 237,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,798.66 : 806,509.80 = 158,618.74 : x
  2. Step 2: Convert to fraction form
    537,798.66/806,509.80 = 158,618.74/x
  3. Step 3: Cross multiply
    537,798.66x = 806,509.80 × 158,618.74
  4. Step 4: Simplify right side
    537,798.66x = 127,927,568,273.65
  5. Step 5: Solve for x
    x = 127,927,568,273.65/537,798.66
  6. Step 6: Final answer
    x = 237,872.61

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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.