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Finding the Fourth Proportional to 482,664.82, 666,095.34 and 291,641.26

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Solution

The fourth proportional to 482,664.82, 666,095.34 and 291,641.26 is: 402,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,664.82 : 666,095.34 = 291,641.26 : x
  2. Step 2: Convert to fraction form
    482,664.82/666,095.34 = 291,641.26/x
  3. Step 3: Cross multiply
    482,664.82x = 666,095.34 × 291,641.26
  4. Step 4: Simplify right side
    482,664.82x = 194,260,884,237.73
  5. Step 5: Solve for x
    x = 194,260,884,237.73/482,664.82
  6. Step 6: Final answer
    x = 402,475.75

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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.