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Finding the Fourth Proportional to 772,576.72, 1,066,205.10 and 433,045

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Solution

The fourth proportional to 772,576.72, 1,066,205.10 and 433,045 is: 597,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,576.72 : 1,066,205.10 = 433,045 : x
  2. Step 2: Convert to fraction form
    772,576.72/1,066,205.10 = 433,045/x
  3. Step 3: Cross multiply
    772,576.72x = 1,066,205.10 × 433,045
  4. Step 4: Simplify right side
    772,576.72x = 461,714,787,529.50
  5. Step 5: Solve for x
    x = 461,714,787,529.50/772,576.72
  6. Step 6: Final answer
    x = 597,629.69

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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.