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Finding the Fourth Proportional to 683,770.32, 943,600.68 and 377,838.18

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Solution

The fourth proportional to 683,770.32, 943,600.68 and 377,838.18 is: 521,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,770.32 : 943,600.68 = 377,838.18 : x
  2. Step 2: Convert to fraction form
    683,770.32/943,600.68 = 377,838.18/x
  3. Step 3: Cross multiply
    683,770.32x = 943,600.68 × 377,838.18
  4. Step 4: Simplify right side
    683,770.32x = 356,528,363,577.96
  5. Step 5: Solve for x
    x = 356,528,363,577.96/683,770.32
  6. Step 6: Final answer
    x = 521,415.38

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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.