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Finding the Fourth Proportional to 503,999.66, 695,519.22 and 277,645.16

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Solution

The fourth proportional to 503,999.66, 695,519.22 and 277,645.16 is: 383,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,999.66 : 695,519.22 = 277,645.16 : x
  2. Step 2: Convert to fraction form
    503,999.66/695,519.22 = 277,645.16/x
  3. Step 3: Cross multiply
    503,999.66x = 695,519.22 × 277,645.16
  4. Step 4: Simplify right side
    503,999.66x = 193,107,546,858.77
  5. Step 5: Solve for x
    x = 193,107,546,858.77/503,999.66
  6. Step 6: Final answer
    x = 383,150.15

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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.