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Finding the Fourth Proportional to 532,041.60, 798,100.80 and 321,225.60

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Solution

The fourth proportional to 532,041.60, 798,100.80 and 321,225.60 is: 481,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,041.60 : 798,100.80 = 321,225.60 : x
  2. Step 2: Convert to fraction form
    532,041.60/798,100.80 = 321,225.60/x
  3. Step 3: Cross multiply
    532,041.60x = 798,100.80 × 321,225.60
  4. Step 4: Simplify right side
    532,041.60x = 256,370,408,340.48
  5. Step 5: Solve for x
    x = 256,370,408,340.48/532,041.60
  6. Step 6: Final answer
    x = 481,861.58

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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.