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Finding the Fourth Proportional to 539,595.17, 744,621.80 and 297,872.54

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Solution

The fourth proportional to 539,595.17, 744,621.80 and 297,872.54 is: 411,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,595.17 : 744,621.80 = 297,872.54 : x
  2. Step 2: Convert to fraction form
    539,595.17/744,621.80 = 297,872.54/x
  3. Step 3: Cross multiply
    539,595.17x = 744,621.80 × 297,872.54
  4. Step 4: Simplify right side
    539,595.17x = 221,802,384,485.23
  5. Step 5: Solve for x
    x = 221,802,384,485.23/539,595.17
  6. Step 6: Final answer
    x = 411,053.32

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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.