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Finding the Fourth Proportional to 605,456.13, 835,595.10 and 333,551.89

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Solution

The fourth proportional to 605,456.13, 835,595.10 and 333,551.89 is: 460,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,456.13 : 835,595.10 = 333,551.89 : x
  2. Step 2: Convert to fraction form
    605,456.13/835,595.10 = 333,551.89/x
  3. Step 3: Cross multiply
    605,456.13x = 835,595.10 × 333,551.89
  4. Step 4: Simplify right side
    605,456.13x = 278,714,324,879.74
  5. Step 5: Solve for x
    x = 278,714,324,879.74/605,456.13
  6. Step 6: Final answer
    x = 460,337.77

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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.