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Finding the Fourth Proportional to 532,073.60, 798,148.80 and 321,257.60

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Solution

The fourth proportional to 532,073.60, 798,148.80 and 321,257.60 is: 481,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,073.60 : 798,148.80 = 321,257.60 : x
  2. Step 2: Convert to fraction form
    532,073.60/798,148.80 = 321,257.60/x
  3. Step 3: Cross multiply
    532,073.60x = 798,148.80 × 321,257.60
  4. Step 4: Simplify right side
    532,073.60x = 256,411,367,930.88
  5. Step 5: Solve for x
    x = 256,411,367,930.88/532,073.60
  6. Step 6: Final answer
    x = 481,909.59

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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.