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Finding the Fourth Proportional to 538,548.39, 807,574.23 and 159,333.51

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Solution

The fourth proportional to 538,548.39, 807,574.23 and 159,333.51 is: 238,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,548.39 : 807,574.23 = 159,333.51 : x
  2. Step 2: Convert to fraction form
    538,548.39/807,574.23 = 159,333.51/x
  3. Step 3: Cross multiply
    538,548.39x = 807,574.23 × 159,333.51
  4. Step 4: Simplify right side
    538,548.39x = 128,673,636,651.45
  5. Step 5: Solve for x
    x = 128,673,636,651.45/538,548.39
  6. Step 6: Final answer
    x = 238,926.79

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1.5x scale

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.