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Finding the Fourth Proportional to 501,337.49, 751,952.91 and 141,499.45

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Solution

The fourth proportional to 501,337.49, 751,952.91 and 141,499.45 is: 212,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,337.49 : 751,952.91 = 141,499.45 : x
  2. Step 2: Convert to fraction form
    501,337.49/751,952.91 = 141,499.45/x
  3. Step 3: Cross multiply
    501,337.49x = 751,952.91 × 141,499.45
  4. Step 4: Simplify right side
    501,337.49x = 106,400,921,311.02
  5. Step 5: Solve for x
    x = 106,400,921,311.02/501,337.49
  6. Step 6: Final answer
    x = 212,234.12

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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.