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Finding the Fourth Proportional to 408,671.58, 613,030.44 and 124,371.42

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Solution

The fourth proportional to 408,671.58, 613,030.44 and 124,371.42 is: 186,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,671.58 : 613,030.44 = 124,371.42 : x
  2. Step 2: Convert to fraction form
    408,671.58/613,030.44 = 124,371.42/x
  3. Step 3: Cross multiply
    408,671.58x = 613,030.44 × 124,371.42
  4. Step 4: Simplify right side
    408,671.58x = 76,243,466,326.02
  5. Step 5: Solve for x
    x = 76,243,466,326.02/408,671.58
  6. Step 6: Final answer
    x = 186,564.15

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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.