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Finding the Fourth Proportional to 436,153.49, 653,962.28 and 169,603.29

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Solution

The fourth proportional to 436,153.49, 653,962.28 and 169,603.29 is: 254,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,153.49 : 653,962.28 = 169,603.29 : x
  2. Step 2: Convert to fraction form
    436,153.49/653,962.28 = 169,603.29/x
  3. Step 3: Cross multiply
    436,153.49x = 653,962.28 × 169,603.29
  4. Step 4: Simplify right side
    436,153.49x = 110,914,156,646.18
  5. Step 5: Solve for x
    x = 110,914,156,646.18/436,153.49
  6. Step 6: Final answer
    x = 254,300.75

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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.