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Finding the Fourth Proportional to 556,343.20, 767,753.82 and 301,694.32

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Solution

The fourth proportional to 556,343.20, 767,753.82 and 301,694.32 is: 416,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,343.20 : 767,753.82 = 301,694.32 : x
  2. Step 2: Convert to fraction form
    556,343.20/767,753.82 = 301,694.32/x
  3. Step 3: Cross multiply
    556,343.20x = 767,753.82 × 301,694.32
  4. Step 4: Simplify right side
    556,343.20x = 231,626,966,652.30
  5. Step 5: Solve for x
    x = 231,626,966,652.30/556,343.20
  6. Step 6: Final answer
    x = 416,338.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.