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Finding the Fourth Proportional to 466,362.36, 643,566.06 and 262,424.61

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Solution

The fourth proportional to 466,362.36, 643,566.06 and 262,424.61 is: 362,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,362.36 : 643,566.06 = 262,424.61 : x
  2. Step 2: Convert to fraction form
    466,362.36/643,566.06 = 262,424.61/x
  3. Step 3: Cross multiply
    466,362.36x = 643,566.06 × 262,424.61
  4. Step 4: Simplify right side
    466,362.36x = 168,887,572,304.74
  5. Step 5: Solve for x
    x = 168,887,572,304.74/466,362.36
  6. Step 6: Final answer
    x = 362,138.09

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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.