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Finding the Fourth Proportional to 322,515.12, 483,773.80 and 97,877.36

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Solution

The fourth proportional to 322,515.12, 483,773.80 and 97,877.36 is: 146,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,515.12 : 483,773.80 = 97,877.36 : x
  2. Step 2: Convert to fraction form
    322,515.12/483,773.80 = 97,877.36/x
  3. Step 3: Cross multiply
    322,515.12x = 483,773.80 × 97,877.36
  4. Step 4: Simplify right side
    322,515.12x = 47,350,502,381.17
  5. Step 5: Solve for x
    x = 47,350,502,381.17/322,515.12
  6. Step 6: Final answer
    x = 146,816.38

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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.