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Finding the Fourth Proportional to 539,509.41, 744,518.89 and 297,791.94

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Solution

The fourth proportional to 539,509.41, 744,518.89 and 297,791.94 is: 410,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,509.41 : 744,518.89 = 297,791.94 : x
  2. Step 2: Convert to fraction form
    539,509.41/744,518.89 = 297,791.94/x
  3. Step 3: Cross multiply
    539,509.41x = 744,518.89 × 297,791.94
  4. Step 4: Simplify right side
    539,509.41x = 221,711,727,783.93
  5. Step 5: Solve for x
    x = 221,711,727,783.93/539,509.41
  6. Step 6: Final answer
    x = 410,950.62

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1.5x scale

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.