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Finding the Fourth Proportional to 532,072.60, 798,147.30 and 321,256.60

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Solution

The fourth proportional to 532,072.60, 798,147.30 and 321,256.60 is: 481,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,072.60 : 798,147.30 = 321,256.60 : x
  2. Step 2: Convert to fraction form
    532,072.60/798,147.30 = 321,256.60/x
  3. Step 3: Cross multiply
    532,072.60x = 798,147.30 × 321,256.60
  4. Step 4: Simplify right side
    532,072.60x = 256,410,087,897.18
  5. Step 5: Solve for x
    x = 256,410,087,897.18/532,072.60
  6. Step 6: Final answer
    x = 481,908.09

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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.