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Finding the Fourth Proportional to 585,081.88, 804,313.11 and 503,109.92

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Solution

The fourth proportional to 585,081.88, 804,313.11 and 503,109.92 is: 691,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,081.88 : 804,313.11 = 503,109.92 : x
  2. Step 2: Convert to fraction form
    585,081.88/804,313.11 = 503,109.92/x
  3. Step 3: Cross multiply
    585,081.88x = 804,313.11 × 503,109.92
  4. Step 4: Simplify right side
    585,081.88x = 404,657,904,427.05
  5. Step 5: Solve for x
    x = 404,657,904,427.05/585,081.88
  6. Step 6: Final answer
    x = 691,626.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.