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Finding the Fourth Proportional to 325,843.60, 488,984.10 and 192,582.40

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Solution

The fourth proportional to 325,843.60, 488,984.10 and 192,582.40 is: 289,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,843.60 : 488,984.10 = 192,582.40 : x
  2. Step 2: Convert to fraction form
    325,843.60/488,984.10 = 192,582.40/x
  3. Step 3: Cross multiply
    325,843.60x = 488,984.10 × 192,582.40
  4. Step 4: Simplify right side
    325,843.60x = 94,169,731,539.84
  5. Step 5: Solve for x
    x = 94,169,731,539.84/325,843.60
  6. Step 6: Final answer
    x = 289,002.86

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1.5x scale

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.