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Finding the Fourth Proportional to 538,548.40, 807,574.24 and 159,333.52

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Solution

The fourth proportional to 538,548.40, 807,574.24 and 159,333.52 is: 238,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,548.40 : 807,574.24 = 159,333.52 : x
  2. Step 2: Convert to fraction form
    538,548.40/807,574.24 = 159,333.52/x
  3. Step 3: Cross multiply
    538,548.40x = 807,574.24 × 159,333.52
  4. Step 4: Simplify right side
    538,548.40x = 128,673,646,320.53
  5. Step 5: Solve for x
    x = 128,673,646,320.53/538,548.40
  6. Step 6: Final answer
    x = 238,926.80

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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.