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Finding the Fourth Proportional to 539,544.24, 808,789.86 and 349,887.60

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Solution

The fourth proportional to 539,544.24, 808,789.86 and 349,887.60 is: 524,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,544.24 : 808,789.86 = 349,887.60 : x
  2. Step 2: Convert to fraction form
    539,544.24/808,789.86 = 349,887.60/x
  3. Step 3: Cross multiply
    539,544.24x = 808,789.86 × 349,887.60
  4. Step 4: Simplify right side
    539,544.24x = 282,985,543,019.74
  5. Step 5: Solve for x
    x = 282,985,543,019.74/539,544.24
  6. Step 6: Final answer
    x = 524,489.97

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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.