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Finding the Fourth Proportional to 325,354.16, 488,115.40 and 190,532.16

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Solution

The fourth proportional to 325,354.16, 488,115.40 and 190,532.16 is: 285,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,354.16 : 488,115.40 = 190,532.16 : x
  2. Step 2: Convert to fraction form
    325,354.16/488,115.40 = 190,532.16/x
  3. Step 3: Cross multiply
    325,354.16x = 488,115.40 × 190,532.16
  4. Step 4: Simplify right side
    325,354.16x = 93,001,681,491.26
  5. Step 5: Solve for x
    x = 93,001,681,491.26/325,354.16
  6. Step 6: Final answer
    x = 285,847.53

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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.