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Finding the Fourth Proportional to 480,275.82, 662,762.73 and 276,358.27

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Solution

The fourth proportional to 480,275.82, 662,762.73 and 276,358.27 is: 381,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,275.82 : 662,762.73 = 276,358.27 : x
  2. Step 2: Convert to fraction form
    480,275.82/662,762.73 = 276,358.27/x
  3. Step 3: Cross multiply
    480,275.82x = 662,762.73 × 276,358.27
  4. Step 4: Simplify right side
    480,275.82x = 183,159,961,275.39
  5. Step 5: Solve for x
    x = 183,159,961,275.39/480,275.82
  6. Step 6: Final answer
    x = 381,364.11

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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.