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Finding the Fourth Proportional to 480,416.92, 663,041.22 and 276,463.64

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Solution

The fourth proportional to 480,416.92, 663,041.22 and 276,463.64 is: 381,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,416.92 : 663,041.22 = 276,463.64 : x
  2. Step 2: Convert to fraction form
    480,416.92/663,041.22 = 276,463.64/x
  3. Step 3: Cross multiply
    480,416.92x = 663,041.22 × 276,463.64
  4. Step 4: Simplify right side
    480,416.92x = 183,306,789,151.24
  5. Step 5: Solve for x
    x = 183,306,789,151.24/480,416.92
  6. Step 6: Final answer
    x = 381,557.73

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1.5x scale

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.