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Finding the Fourth Proportional to 533,417.82, 800,751.84 and 421,173.69

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Solution

The fourth proportional to 533,417.82, 800,751.84 and 421,173.69 is: 632,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,417.82 : 800,751.84 = 421,173.69 : x
  2. Step 2: Convert to fraction form
    533,417.82/800,751.84 = 421,173.69/x
  3. Step 3: Cross multiply
    533,417.82x = 800,751.84 × 421,173.69
  4. Step 4: Simplify right side
    533,417.82x = 337,255,607,227.09
  5. Step 5: Solve for x
    x = 337,255,607,227.09/533,417.82
  6. Step 6: Final answer
    x = 632,254.11

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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.