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Finding the Fourth Proportional to 540,991.86, 746,550.51 and 295,975.58

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Solution

The fourth proportional to 540,991.86, 746,550.51 and 295,975.58 is: 408,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,991.86 : 746,550.51 = 295,975.58 : x
  2. Step 2: Convert to fraction form
    540,991.86/746,550.51 = 295,975.58/x
  3. Step 3: Cross multiply
    540,991.86x = 746,550.51 × 295,975.58
  4. Step 4: Simplify right side
    540,991.86x = 220,960,716,463.79
  5. Step 5: Solve for x
    x = 220,960,716,463.79/540,991.86
  6. Step 6: Final answer
    x = 408,436.31

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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.