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Finding the Fourth Proportional to 451,482.84, 623,058.17 and 255,233.70

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Solution

The fourth proportional to 451,482.84, 623,058.17 and 255,233.70 is: 352,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,482.84 : 623,058.17 = 255,233.70 : x
  2. Step 2: Convert to fraction form
    451,482.84/623,058.17 = 255,233.70/x
  3. Step 3: Cross multiply
    451,482.84x = 623,058.17 × 255,233.70
  4. Step 4: Simplify right side
    451,482.84x = 159,025,440,768.16
  5. Step 5: Solve for x
    x = 159,025,440,768.16/451,482.84
  6. Step 6: Final answer
    x = 352,229.20

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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.