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Finding the Fourth Proportional to 539,392.86, 808,878.78 and 202,249.59

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Solution

The fourth proportional to 539,392.86, 808,878.78 and 202,249.59 is: 303,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,392.86 : 808,878.78 = 202,249.59 : x
  2. Step 2: Convert to fraction form
    539,392.86/808,878.78 = 202,249.59/x
  3. Step 3: Cross multiply
    539,392.86x = 808,878.78 × 202,249.59
  4. Step 4: Simplify right side
    539,392.86x = 163,595,401,614.70
  5. Step 5: Solve for x
    x = 163,595,401,614.70/539,392.86
  6. Step 6: Final answer
    x = 303,295.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.