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Finding the Fourth Proportional to 653,693.90, 980,590.52 and 254,163.02

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Solution

The fourth proportional to 653,693.90, 980,590.52 and 254,163.02 is: 381,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,693.90 : 980,590.52 = 254,163.02 : x
  2. Step 2: Convert to fraction form
    653,693.90/980,590.52 = 254,163.02/x
  3. Step 3: Cross multiply
    653,693.90x = 980,590.52 × 254,163.02
  4. Step 4: Simplify right side
    653,693.90x = 249,229,847,946.57
  5. Step 5: Solve for x
    x = 249,229,847,946.57/653,693.90
  6. Step 6: Final answer
    x = 381,263.84

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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.