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Finding the Fourth Proportional to 533,564.07, 800,347.46 and 218,020.98

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Solution

The fourth proportional to 533,564.07, 800,347.46 and 218,020.98 is: 327,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,564.07 : 800,347.46 = 218,020.98 : x
  2. Step 2: Convert to fraction form
    533,564.07/800,347.46 = 218,020.98/x
  3. Step 3: Cross multiply
    533,564.07x = 800,347.46 × 218,020.98
  4. Step 4: Simplify right side
    533,564.07x = 174,492,536,479.61
  5. Step 5: Solve for x
    x = 174,492,536,479.61/533,564.07
  6. Step 6: Final answer
    x = 327,032.02

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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.