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Finding the Fourth Proportional to 459,007.76, 633,418.08 and 255,053.41

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Solution

The fourth proportional to 459,007.76, 633,418.08 and 255,053.41 is: 351,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,007.76 : 633,418.08 = 255,053.41 : x
  2. Step 2: Convert to fraction form
    459,007.76/633,418.08 = 255,053.41/x
  3. Step 3: Cross multiply
    459,007.76x = 633,418.08 × 255,053.41
  4. Step 4: Simplify right side
    459,007.76x = 161,555,438,719.66
  5. Step 5: Solve for x
    x = 161,555,438,719.66/459,007.76
  6. Step 6: Final answer
    x = 351,966.68

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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.