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Finding the Fourth Proportional to 375,439.41, 563,041.35 and 122,662.31

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Solution

The fourth proportional to 375,439.41, 563,041.35 and 122,662.31 is: 183,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,439.41 : 563,041.35 = 122,662.31 : x
  2. Step 2: Convert to fraction form
    375,439.41/563,041.35 = 122,662.31/x
  3. Step 3: Cross multiply
    375,439.41x = 563,041.35 × 122,662.31
  4. Step 4: Simplify right side
    375,439.41x = 69,063,949,801.31
  5. Step 5: Solve for x
    x = 69,063,949,801.31/375,439.41
  6. Step 6: Final answer
    x = 183,954.98

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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.