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Finding the Fourth Proportional to 777,758.93, 1,167,056.67 and 749,449.76

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Solution

The fourth proportional to 777,758.93, 1,167,056.67 and 749,449.76 is: 1,124,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,758.93 : 1,167,056.67 = 749,449.76 : x
  2. Step 2: Convert to fraction form
    777,758.93/1,167,056.67 = 749,449.76/x
  3. Step 3: Cross multiply
    777,758.93x = 1,167,056.67 × 749,449.76
  4. Step 4: Simplify right side
    777,758.93x = 874,650,331,655.37
  5. Step 5: Solve for x
    x = 874,650,331,655.37/777,758.93
  6. Step 6: Final answer
    x = 1,124,577.68

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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.