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Finding the Fourth Proportional to 655,217.71, 904,050.82 and 368,633.23

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Solution

The fourth proportional to 655,217.71, 904,050.82 and 368,633.23 is: 508,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,217.71 : 904,050.82 = 368,633.23 : x
  2. Step 2: Convert to fraction form
    655,217.71/904,050.82 = 368,633.23/x
  3. Step 3: Cross multiply
    655,217.71x = 904,050.82 × 368,633.23
  4. Step 4: Simplify right side
    655,217.71x = 333,263,167,497.33
  5. Step 5: Solve for x
    x = 333,263,167,497.33/655,217.71
  6. Step 6: Final answer
    x = 508,629.67

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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.