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Finding the Fourth Proportional to 655,323.33, 903,880.35 and 437,422.14

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Solution

The fourth proportional to 655,323.33, 903,880.35 and 437,422.14 is: 603,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,323.33 : 903,880.35 = 437,422.14 : x
  2. Step 2: Convert to fraction form
    655,323.33/903,880.35 = 437,422.14/x
  3. Step 3: Cross multiply
    655,323.33x = 903,880.35 × 437,422.14
  4. Step 4: Simplify right side
    655,323.33x = 395,377,280,390.50
  5. Step 5: Solve for x
    x = 395,377,280,390.50/655,323.33
  6. Step 6: Final answer
    x = 603,331.61

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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.