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Finding the Fourth Proportional to 534,749.60, 802,124.40 and 531,063.20

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Solution

The fourth proportional to 534,749.60, 802,124.40 and 531,063.20 is: 796,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,749.60 : 802,124.40 = 531,063.20 : x
  2. Step 2: Convert to fraction form
    534,749.60/802,124.40 = 531,063.20/x
  3. Step 3: Cross multiply
    534,749.60x = 802,124.40 × 531,063.20
  4. Step 4: Simplify right side
    534,749.60x = 425,978,750,662.08
  5. Step 5: Solve for x
    x = 425,978,750,662.08/534,749.60
  6. Step 6: Final answer
    x = 796,594.80

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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.