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Finding the Fourth Proportional to 291,056.75, 436,657.77 and 101,519.83

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Solution

The fourth proportional to 291,056.75, 436,657.77 and 101,519.83 is: 152,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,056.75 : 436,657.77 = 101,519.83 : x
  2. Step 2: Convert to fraction form
    291,056.75/436,657.77 = 101,519.83/x
  3. Step 3: Cross multiply
    291,056.75x = 436,657.77 × 101,519.83
  4. Step 4: Simplify right side
    291,056.75x = 44,329,422,578.58
  5. Step 5: Solve for x
    x = 44,329,422,578.58/291,056.75
  6. Step 6: Final answer
    x = 152,305.08

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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.