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Finding the Fourth Proportional to 565,124.44, 780,076.34 and 374,199.32

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Solution

The fourth proportional to 565,124.44, 780,076.34 and 374,199.32 is: 516,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,124.44 : 780,076.34 = 374,199.32 : x
  2. Step 2: Convert to fraction form
    565,124.44/780,076.34 = 374,199.32/x
  3. Step 3: Cross multiply
    565,124.44x = 780,076.34 × 374,199.32
  4. Step 4: Simplify right side
    565,124.44x = 291,904,035,976.09
  5. Step 5: Solve for x
    x = 291,904,035,976.09/565,124.44
  6. Step 6: Final answer
    x = 516,530.55

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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.