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Finding the Fourth Proportional to 501,322.32, 751,528.28 and 185,557.79

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Solution

The fourth proportional to 501,322.32, 751,528.28 and 185,557.79 is: 278,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,322.32 : 751,528.28 = 185,557.79 : x
  2. Step 2: Convert to fraction form
    501,322.32/751,528.28 = 185,557.79/x
  3. Step 3: Cross multiply
    501,322.32x = 751,528.28 × 185,557.79
  4. Step 4: Simplify right side
    501,322.32x = 139,451,929,102.02
  5. Step 5: Solve for x
    x = 139,451,929,102.02/501,322.32
  6. Step 6: Final answer
    x = 278,168.20

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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.