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Finding the Fourth Proportional to 539,519.91, 744,533.37 and 297,802.46

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Solution

The fourth proportional to 539,519.91, 744,533.37 and 297,802.46 is: 410,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,519.91 : 744,533.37 = 297,802.46 : x
  2. Step 2: Convert to fraction form
    539,519.91/744,533.37 = 297,802.46/x
  3. Step 3: Cross multiply
    539,519.91x = 744,533.37 × 297,802.46
  4. Step 4: Simplify right side
    539,519.91x = 221,723,865,415.42
  5. Step 5: Solve for x
    x = 221,723,865,415.42/539,519.91
  6. Step 6: Final answer
    x = 410,965.12

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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.