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Finding the Fourth Proportional to 458,836.65, 633,295.77 and 254,957.62

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Solution

The fourth proportional to 458,836.65, 633,295.77 and 254,957.62 is: 351,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,836.65 : 633,295.77 = 254,957.62 : x
  2. Step 2: Convert to fraction form
    458,836.65/633,295.77 = 254,957.62/x
  3. Step 3: Cross multiply
    458,836.65x = 633,295.77 × 254,957.62
  4. Step 4: Simplify right side
    458,836.65x = 161,463,582,275.27
  5. Step 5: Solve for x
    x = 161,463,582,275.27/458,836.65
  6. Step 6: Final answer
    x = 351,897.74

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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.