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Finding the Fourth Proportional to 424,864.83, 637,297.26 and 158,646.13

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Solution

The fourth proportional to 424,864.83, 637,297.26 and 158,646.13 is: 237,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,864.83 : 637,297.26 = 158,646.13 : x
  2. Step 2: Convert to fraction form
    424,864.83/637,297.26 = 158,646.13/x
  3. Step 3: Cross multiply
    424,864.83x = 637,297.26 × 158,646.13
  4. Step 4: Simplify right side
    424,864.83x = 101,104,743,958.60
  5. Step 5: Solve for x
    x = 101,104,743,958.60/424,864.83
  6. Step 6: Final answer
    x = 237,969.20

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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.