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Finding the Fourth Proportional to 478,593.50, 660,463.39 and 263,741.27

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Solution

The fourth proportional to 478,593.50, 660,463.39 and 263,741.27 is: 363,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,593.50 : 660,463.39 = 263,741.27 : x
  2. Step 2: Convert to fraction form
    478,593.50/660,463.39 = 263,741.27/x
  3. Step 3: Cross multiply
    478,593.50x = 660,463.39 × 263,741.27
  4. Step 4: Simplify right side
    478,593.50x = 174,191,454,751.34
  5. Step 5: Solve for x
    x = 174,191,454,751.34/478,593.50
  6. Step 6: Final answer
    x = 363,965.36

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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.