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Finding the Fourth Proportional to 357,525.25, 536,284.91 and 144,289.89

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Solution

The fourth proportional to 357,525.25, 536,284.91 and 144,289.89 is: 216,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,525.25 : 536,284.91 = 144,289.89 : x
  2. Step 2: Convert to fraction form
    357,525.25/536,284.91 = 144,289.89/x
  3. Step 3: Cross multiply
    357,525.25x = 536,284.91 × 144,289.89
  4. Step 4: Simplify right side
    357,525.25x = 77,380,488,963.61
  5. Step 5: Solve for x
    x = 77,380,488,963.61/357,525.25
  6. Step 6: Final answer
    x = 216,433.63

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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.