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Finding the Fourth Proportional to 324,210.60, 486,200.70 and 146,802.60

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Solution

The fourth proportional to 324,210.60, 486,200.70 and 146,802.60 is: 220,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,210.60 : 486,200.70 = 146,802.60 : x
  2. Step 2: Convert to fraction form
    324,210.60/486,200.70 = 146,802.60/x
  3. Step 3: Cross multiply
    324,210.60x = 486,200.70 × 146,802.60
  4. Step 4: Simplify right side
    324,210.60x = 71,375,526,881.82
  5. Step 5: Solve for x
    x = 71,375,526,881.82/324,210.60
  6. Step 6: Final answer
    x = 220,151.74

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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.