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Finding the Fourth Proportional to 583,906.38, 805,814.24 and 325,805.86

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Solution

The fourth proportional to 583,906.38, 805,814.24 and 325,805.86 is: 449,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,906.38 : 805,814.24 = 325,805.86 : x
  2. Step 2: Convert to fraction form
    583,906.38/805,814.24 = 325,805.86/x
  3. Step 3: Cross multiply
    583,906.38x = 805,814.24 × 325,805.86
  4. Step 4: Simplify right side
    583,906.38x = 262,539,001,463.45
  5. Step 5: Solve for x
    x = 262,539,001,463.45/583,906.38
  6. Step 6: Final answer
    x = 449,625.16

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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.