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Finding the Fourth Proportional to 501,344.40, 752,486.40 and 264,856.80

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Solution

The fourth proportional to 501,344.40, 752,486.40 and 264,856.80 is: 397,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,344.40 : 752,486.40 = 264,856.80 : x
  2. Step 2: Convert to fraction form
    501,344.40/752,486.40 = 264,856.80/x
  3. Step 3: Cross multiply
    501,344.40x = 752,486.40 × 264,856.80
  4. Step 4: Simplify right side
    501,344.40x = 199,301,139,947.52
  5. Step 5: Solve for x
    x = 199,301,139,947.52/501,344.40
  6. Step 6: Final answer
    x = 397,533.39

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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.