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Finding the Fourth Proportional to 325,073.58, 487,435.04 and 147,483.70

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Solution

The fourth proportional to 325,073.58, 487,435.04 and 147,483.70 is: 221,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,073.58 : 487,435.04 = 147,483.70 : x
  2. Step 2: Convert to fraction form
    325,073.58/487,435.04 = 147,483.70/x
  3. Step 3: Cross multiply
    325,073.58x = 487,435.04 × 147,483.70
  4. Step 4: Simplify right side
    325,073.58x = 71,888,723,208.85
  5. Step 5: Solve for x
    x = 71,888,723,208.85/325,073.58
  6. Step 6: Final answer
    x = 221,146.00

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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.