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Finding the Fourth Proportional to 480,951.51, 663,520.18 and 276,892.96

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Solution

The fourth proportional to 480,951.51, 663,520.18 and 276,892.96 is: 382,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,951.51 : 663,520.18 = 276,892.96 : x
  2. Step 2: Convert to fraction form
    480,951.51/663,520.18 = 276,892.96/x
  3. Step 3: Cross multiply
    480,951.51x = 663,520.18 × 276,892.96
  4. Step 4: Simplify right side
    480,951.51x = 183,724,063,954.77
  5. Step 5: Solve for x
    x = 183,724,063,954.77/480,951.51
  6. Step 6: Final answer
    x = 382,001.22

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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.