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Finding the Fourth Proportional to 556,468.20, 834,907.10 and 224,077.80

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Solution

The fourth proportional to 556,468.20, 834,907.10 and 224,077.80 is: 336,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,468.20 : 834,907.10 = 224,077.80 : x
  2. Step 2: Convert to fraction form
    556,468.20/834,907.10 = 224,077.80/x
  3. Step 3: Cross multiply
    556,468.20x = 834,907.10 × 224,077.80
  4. Step 4: Simplify right side
    556,468.20x = 187,084,146,172.38
  5. Step 5: Solve for x
    x = 187,084,146,172.38/556,468.20
  6. Step 6: Final answer
    x = 336,199.17

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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.