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Finding the Fourth Proportional to 676,207.50, 933,195.51 and 374,401.50

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Solution

The fourth proportional to 676,207.50, 933,195.51 and 374,401.50 is: 516,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,207.50 : 933,195.51 = 374,401.50 : x
  2. Step 2: Convert to fraction form
    676,207.50/933,195.51 = 374,401.50/x
  3. Step 3: Cross multiply
    676,207.50x = 933,195.51 × 374,401.50
  4. Step 4: Simplify right side
    676,207.50x = 349,389,798,737.27
  5. Step 5: Solve for x
    x = 349,389,798,737.27/676,207.50
  6. Step 6: Final answer
    x = 516,690.22

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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.