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Finding the Fourth Proportional to 683,729.22, 943,526.46 and 377,800.74

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Solution

The fourth proportional to 683,729.22, 943,526.46 and 377,800.74 is: 521,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,729.22 : 943,526.46 = 377,800.74 : x
  2. Step 2: Convert to fraction form
    683,729.22/943,526.46 = 377,800.74/x
  3. Step 3: Cross multiply
    683,729.22x = 943,526.46 × 377,800.74
  4. Step 4: Simplify right side
    683,729.22x = 356,464,994,797.58
  5. Step 5: Solve for x
    x = 356,464,994,797.58/683,729.22
  6. Step 6: Final answer
    x = 521,354.05

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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.