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Finding the Fourth Proportional to 539,329.54, 744,276.95 and 297,619.11

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Solution

The fourth proportional to 539,329.54, 744,276.95 and 297,619.11 is: 410,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,329.54 : 744,276.95 = 297,619.11 : x
  2. Step 2: Convert to fraction form
    539,329.54/744,276.95 = 297,619.11/x
  3. Step 3: Cross multiply
    539,329.54x = 744,276.95 × 297,619.11
  4. Step 4: Simplify right side
    539,329.54x = 221,511,044,754.60
  5. Step 5: Solve for x
    x = 221,511,044,754.60/539,329.54
  6. Step 6: Final answer
    x = 410,715.58

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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.