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Finding the Fourth Proportional to 671,431.92, 926,576.03 and 365,510.52

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Solution

The fourth proportional to 671,431.92, 926,576.03 and 365,510.52 is: 504,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,431.92 : 926,576.03 = 365,510.52 : x
  2. Step 2: Convert to fraction form
    671,431.92/926,576.03 = 365,510.52/x
  3. Step 3: Cross multiply
    671,431.92x = 926,576.03 × 365,510.52
  4. Step 4: Simplify right side
    671,431.92x = 338,673,284,717.28
  5. Step 5: Solve for x
    x = 338,673,284,717.28/671,431.92
  6. Step 6: Final answer
    x = 504,404.50

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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.