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Finding the Fourth Proportional to 629,053.81, 942,841.59 and 291,381.01

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Solution

The fourth proportional to 629,053.81, 942,841.59 and 291,381.01 is: 436,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,053.81 : 942,841.59 = 291,381.01 : x
  2. Step 2: Convert to fraction form
    629,053.81/942,841.59 = 291,381.01/x
  3. Step 3: Cross multiply
    629,053.81x = 942,841.59 × 291,381.01
  4. Step 4: Simplify right side
    629,053.81x = 274,726,134,764.21
  5. Step 5: Solve for x
    x = 274,726,134,764.21/629,053.81
  6. Step 6: Final answer
    x = 436,729.15

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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.