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Finding the Fourth Proportional to 693,892.80, 957,043.71 and 597,261.12

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Solution

The fourth proportional to 693,892.80, 957,043.71 and 597,261.12 is: 823,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,892.80 : 957,043.71 = 597,261.12 : x
  2. Step 2: Convert to fraction form
    693,892.80/957,043.71 = 597,261.12/x
  3. Step 3: Cross multiply
    693,892.80x = 957,043.71 × 597,261.12
  4. Step 4: Simplify right side
    693,892.80x = 571,604,998,123.56
  5. Step 5: Solve for x
    x = 571,604,998,123.56/693,892.80
  6. Step 6: Final answer
    x = 823,765.57

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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.