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Finding the Fourth Proportional to 533,353.69, 800,031.30 and 217,810.58

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Solution

The fourth proportional to 533,353.69, 800,031.30 and 217,810.58 is: 326,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,353.69 : 800,031.30 = 217,810.58 : x
  2. Step 2: Convert to fraction form
    533,353.69/800,031.30 = 217,810.58/x
  3. Step 3: Cross multiply
    533,353.69x = 800,031.30 × 217,810.58
  4. Step 4: Simplify right side
    533,353.69x = 174,255,281,471.15
  5. Step 5: Solve for x
    x = 174,255,281,471.15/533,353.69
  6. Step 6: Final answer
    x = 326,716.18

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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.