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Finding the Fourth Proportional to 459,356.84, 633,900.62 and 255,397.22

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Solution

The fourth proportional to 459,356.84, 633,900.62 and 255,397.22 is: 352,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,356.84 : 633,900.62 = 255,397.22 : x
  2. Step 2: Convert to fraction form
    459,356.84/633,900.62 = 255,397.22/x
  3. Step 3: Cross multiply
    459,356.84x = 633,900.62 × 255,397.22
  4. Step 4: Simplify right side
    459,356.84x = 161,896,456,104.28
  5. Step 5: Solve for x
    x = 161,896,456,104.28/459,356.84
  6. Step 6: Final answer
    x = 352,441.59

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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.