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Finding the Fourth Proportional to 683,475.91, 943,205.51 and 377,551.06

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Solution

The fourth proportional to 683,475.91, 943,205.51 and 377,551.06 is: 521,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,475.91 : 943,205.51 = 377,551.06 : x
  2. Step 2: Convert to fraction form
    683,475.91/943,205.51 = 377,551.06/x
  3. Step 3: Cross multiply
    683,475.91x = 943,205.51 × 377,551.06
  4. Step 4: Simplify right side
    683,475.91x = 356,108,238,684.20
  5. Step 5: Solve for x
    x = 356,108,238,684.20/683,475.91
  6. Step 6: Final answer
    x = 521,025.30

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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.