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Finding the Fourth Proportional to 563,945.44, 778,122.75 and 357,273.94

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Solution

The fourth proportional to 563,945.44, 778,122.75 and 357,273.94 is: 492,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,945.44 : 778,122.75 = 357,273.94 : x
  2. Step 2: Convert to fraction form
    563,945.44/778,122.75 = 357,273.94/x
  3. Step 3: Cross multiply
    563,945.44x = 778,122.75 × 357,273.94
  4. Step 4: Simplify right side
    563,945.44x = 278,002,981,549.59
  5. Step 5: Solve for x
    x = 278,002,981,549.59/563,945.44
  6. Step 6: Final answer
    x = 492,960.78

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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.