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Finding the Fourth Proportional to 238,570.47, 358,599.56 and 150,390.63

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Solution

The fourth proportional to 238,570.47, 358,599.56 and 150,390.63 is: 226,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,570.47 : 358,599.56 = 150,390.63 : x
  2. Step 2: Convert to fraction form
    238,570.47/358,599.56 = 150,390.63/x
  3. Step 3: Cross multiply
    238,570.47x = 358,599.56 × 150,390.63
  4. Step 4: Simplify right side
    238,570.47x = 53,930,012,994.17
  5. Step 5: Solve for x
    x = 53,930,012,994.17/238,570.47
  6. Step 6: Final answer
    x = 226,054.85

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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.