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Finding the Fourth Proportional to 482,197.82, 723,417.00 and 340,320.22

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Solution

The fourth proportional to 482,197.82, 723,417.00 and 340,320.22 is: 510,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,197.82 : 723,417.00 = 340,320.22 : x
  2. Step 2: Convert to fraction form
    482,197.82/723,417.00 = 340,320.22/x
  3. Step 3: Cross multiply
    482,197.82x = 723,417.00 × 340,320.22
  4. Step 4: Simplify right side
    482,197.82x = 246,193,430,464.15
  5. Step 5: Solve for x
    x = 246,193,430,464.15/482,197.82
  6. Step 6: Final answer
    x = 510,565.21

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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.