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Finding the Fourth Proportional to 532,129.36, 798,191.80 and 216,511.44

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Solution

The fourth proportional to 532,129.36, 798,191.80 and 216,511.44 is: 324,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,129.36 : 798,191.80 = 216,511.44 : x
  2. Step 2: Convert to fraction form
    532,129.36/798,191.80 = 216,511.44/x
  3. Step 3: Cross multiply
    532,129.36x = 798,191.80 × 216,511.44
  4. Step 4: Simplify right side
    532,129.36x = 172,817,656,014.19
  5. Step 5: Solve for x
    x = 172,817,656,014.19/532,129.36
  6. Step 6: Final answer
    x = 324,766.25

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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.