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Finding the Fourth Proportional to 576,665.60, 863,835.44 and 482,832.90

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Solution

The fourth proportional to 576,665.60, 863,835.44 and 482,832.90 is: 723,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,665.60 : 863,835.44 = 482,832.90 : x
  2. Step 2: Convert to fraction form
    576,665.60/863,835.44 = 482,832.90/x
  3. Step 3: Cross multiply
    576,665.60x = 863,835.44 × 482,832.90
  4. Step 4: Simplify right side
    576,665.60x = 417,088,168,203.81
  5. Step 5: Solve for x
    x = 417,088,168,203.81/576,665.60
  6. Step 6: Final answer
    x = 723,275.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.