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Finding the Fourth Proportional to 322,061.40, 482,703.30 and 164,208.60

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Solution

The fourth proportional to 322,061.40, 482,703.30 and 164,208.60 is: 246,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,061.40 : 482,703.30 = 164,208.60 : x
  2. Step 2: Convert to fraction form
    322,061.40/482,703.30 = 164,208.60/x
  3. Step 3: Cross multiply
    322,061.40x = 482,703.30 × 164,208.60
  4. Step 4: Simplify right side
    322,061.40x = 79,264,033,108.38
  5. Step 5: Solve for x
    x = 79,264,033,108.38/322,061.40
  6. Step 6: Final answer
    x = 246,114.66

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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.