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Finding the Fourth Proportional to 556,221.76, 833,837.82 and 201,156.84

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Solution

The fourth proportional to 556,221.76, 833,837.82 and 201,156.84 is: 301,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,221.76 : 833,837.82 = 201,156.84 : x
  2. Step 2: Convert to fraction form
    556,221.76/833,837.82 = 201,156.84/x
  3. Step 3: Cross multiply
    556,221.76x = 833,837.82 × 201,156.84
  4. Step 4: Simplify right side
    556,221.76x = 167,732,180,943.69
  5. Step 5: Solve for x
    x = 167,732,180,943.69/556,221.76
  6. Step 6: Final answer
    x = 301,556.31

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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.