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Finding the Fourth Proportional to 480,856.68, 663,524.38 and 276,973.91

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Solution

The fourth proportional to 480,856.68, 663,524.38 and 276,973.91 is: 382,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,856.68 : 663,524.38 = 276,973.91 : x
  2. Step 2: Convert to fraction form
    480,856.68/663,524.38 = 276,973.91/x
  3. Step 3: Cross multiply
    480,856.68x = 663,524.38 × 276,973.91
  4. Step 4: Simplify right side
    480,856.68x = 183,778,941,908.93
  5. Step 5: Solve for x
    x = 183,778,941,908.93/480,856.68
  6. Step 6: Final answer
    x = 382,190.68

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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.