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Finding the Fourth Proportional to 557,325.73, 769,428.30 and 366,892.69

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Solution

The fourth proportional to 557,325.73, 769,428.30 and 366,892.69 is: 506,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,325.73 : 769,428.30 = 366,892.69 : x
  2. Step 2: Convert to fraction form
    557,325.73/769,428.30 = 366,892.69/x
  3. Step 3: Cross multiply
    557,325.73x = 769,428.30 × 366,892.69
  4. Step 4: Simplify right side
    557,325.73x = 282,297,618,749.13
  5. Step 5: Solve for x
    x = 282,297,618,749.13/557,325.73
  6. Step 6: Final answer
    x = 506,521.78

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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.