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Finding the Fourth Proportional to 532,100.40, 797,113.80 and 321,111.60

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Solution

The fourth proportional to 532,100.40, 797,113.80 and 321,111.60 is: 481,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,100.40 : 797,113.80 = 321,111.60 : x
  2. Step 2: Convert to fraction form
    532,100.40/797,113.80 = 321,111.60/x
  3. Step 3: Cross multiply
    532,100.40x = 797,113.80 × 321,111.60
  4. Step 4: Simplify right side
    532,100.40x = 255,962,487,700.08
  5. Step 5: Solve for x
    x = 255,962,487,700.08/532,100.40
  6. Step 6: Final answer
    x = 481,041.71

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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.