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Finding the Fourth Proportional to 325,802.90, 488,688.15 and 168,047.30

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Solution

The fourth proportional to 325,802.90, 488,688.15 and 168,047.30 is: 252,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,802.90 : 488,688.15 = 168,047.30 : x
  2. Step 2: Convert to fraction form
    325,802.90/488,688.15 = 168,047.30/x
  3. Step 3: Cross multiply
    325,802.90x = 488,688.15 × 168,047.30
  4. Step 4: Simplify right side
    325,802.90x = 82,122,724,149.50
  5. Step 5: Solve for x
    x = 82,122,724,149.50/325,802.90
  6. Step 6: Final answer
    x = 252,062.59

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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.