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Finding the Fourth Proportional to 577,089.74, 865,649.41 and 273,412.80

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Solution

The fourth proportional to 577,089.74, 865,649.41 and 273,412.80 is: 410,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,089.74 : 865,649.41 = 273,412.80 : x
  2. Step 2: Convert to fraction form
    577,089.74/865,649.41 = 273,412.80/x
  3. Step 3: Cross multiply
    577,089.74x = 865,649.41 × 273,412.80
  4. Step 4: Simplify right side
    577,089.74x = 236,679,628,322.92
  5. Step 5: Solve for x
    x = 236,679,628,322.92/577,089.74
  6. Step 6: Final answer
    x = 410,126.21

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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.