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Finding the Fourth Proportional to 424,656, 637,082.42 and 144,173.25

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Solution

The fourth proportional to 424,656, 637,082.42 and 144,173.25 is: 216,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,656 : 637,082.42 = 144,173.25 : x
  2. Step 2: Convert to fraction form
    424,656/637,082.42 = 144,173.25/x
  3. Step 3: Cross multiply
    424,656x = 637,082.42 × 144,173.25
  4. Step 4: Simplify right side
    424,656x = 91,850,242,288.40
  5. Step 5: Solve for x
    x = 91,850,242,288.40/424,656
  6. Step 6: Final answer
    x = 216,293.29

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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.