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Finding the Fourth Proportional to 683,729.72, 943,527.15 and 377,801.24

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Solution

The fourth proportional to 683,729.72, 943,527.15 and 377,801.24 is: 521,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,729.72 : 943,527.15 = 377,801.24 : x
  2. Step 2: Convert to fraction form
    683,729.72/943,527.15 = 377,801.24/x
  3. Step 3: Cross multiply
    683,729.72x = 943,527.15 × 377,801.24
  4. Step 4: Simplify right side
    683,729.72x = 356,465,727,243.67
  5. Step 5: Solve for x
    x = 356,465,727,243.67/683,729.72
  6. Step 6: Final answer
    x = 521,354.74

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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.