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Finding the Fourth Proportional to 683,793.77, 943,588.19 and 377,867.25

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Solution

The fourth proportional to 683,793.77, 943,588.19 and 377,867.25 is: 521,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,793.77 : 943,588.19 = 377,867.25 : x
  2. Step 2: Convert to fraction form
    683,793.77/943,588.19 = 377,867.25/x
  3. Step 3: Cross multiply
    683,793.77x = 943,588.19 × 377,867.25
  4. Step 4: Simplify right side
    683,793.77x = 356,551,075,432.45
  5. Step 5: Solve for x
    x = 356,551,075,432.45/683,793.77
  6. Step 6: Final answer
    x = 521,430.72

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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.