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Finding the Fourth Proportional to 532,053.60, 798,118.80 and 321,237.60

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Solution

The fourth proportional to 532,053.60, 798,118.80 and 321,237.60 is: 481,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,053.60 : 798,118.80 = 321,237.60 : x
  2. Step 2: Convert to fraction form
    532,053.60/798,118.80 = 321,237.60/x
  3. Step 3: Cross multiply
    532,053.60x = 798,118.80 × 321,237.60
  4. Step 4: Simplify right side
    532,053.60x = 256,385,767,826.88
  5. Step 5: Solve for x
    x = 256,385,767,826.88/532,053.60
  6. Step 6: Final answer
    x = 481,879.58

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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.