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Finding the Fourth Proportional to 565,052.36, 779,976.96 and 374,127.26

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Solution

The fourth proportional to 565,052.36, 779,976.96 and 374,127.26 is: 516,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,052.36 : 779,976.96 = 374,127.26 : x
  2. Step 2: Convert to fraction form
    565,052.36/779,976.96 = 374,127.26/x
  3. Step 3: Cross multiply
    565,052.36x = 779,976.96 × 374,127.26
  4. Step 4: Simplify right side
    565,052.36x = 291,810,642,907.93
  5. Step 5: Solve for x
    x = 291,810,642,907.93/565,052.36
  6. Step 6: Final answer
    x = 516,431.15

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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.