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Finding the Fourth Proportional to 609,435.42, 914,503.18 and 475,940.94

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Solution

The fourth proportional to 609,435.42, 914,503.18 and 475,940.94 is: 714,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,435.42 : 914,503.18 = 475,940.94 : x
  2. Step 2: Convert to fraction form
    609,435.42/914,503.18 = 475,940.94/x
  3. Step 3: Cross multiply
    609,435.42x = 914,503.18 × 475,940.94
  4. Step 4: Simplify right side
    609,435.42x = 435,249,503,122.19
  5. Step 5: Solve for x
    x = 435,249,503,122.19/609,435.42
  6. Step 6: Final answer
    x = 714,184.78

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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.