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Finding the Fourth Proportional to 539,518.95, 744,536.27 and 297,801.65

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Solution

The fourth proportional to 539,518.95, 744,536.27 and 297,801.65 is: 410,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,518.95 : 744,536.27 = 297,801.65 : x
  2. Step 2: Convert to fraction form
    539,518.95/744,536.27 = 297,801.65/x
  3. Step 3: Cross multiply
    539,518.95x = 744,536.27 × 297,801.65
  4. Step 4: Simplify right side
    539,518.95x = 221,724,132,296.69
  5. Step 5: Solve for x
    x = 221,724,132,296.69/539,518.95
  6. Step 6: Final answer
    x = 410,966.35

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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.