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Finding the Fourth Proportional to 539,784.44, 744,897.68 and 298,061.80

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Solution

The fourth proportional to 539,784.44, 744,897.68 and 298,061.80 is: 411,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,784.44 : 744,897.68 = 298,061.80 : x
  2. Step 2: Convert to fraction form
    539,784.44/744,897.68 = 298,061.80/x
  3. Step 3: Cross multiply
    539,784.44x = 744,897.68 × 298,061.80
  4. Step 4: Simplify right side
    539,784.44x = 222,025,543,316.62
  5. Step 5: Solve for x
    x = 222,025,543,316.62/539,784.44
  6. Step 6: Final answer
    x = 411,322.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.