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Finding the Fourth Proportional to 503,820.48, 695,273.12 and 277,466.56

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Solution

The fourth proportional to 503,820.48, 695,273.12 and 277,466.56 is: 382,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,820.48 : 695,273.12 = 277,466.56 : x
  2. Step 2: Convert to fraction form
    503,820.48/695,273.12 = 277,466.56/x
  3. Step 3: Cross multiply
    503,820.48x = 695,273.12 × 277,466.56
  4. Step 4: Simplify right side
    503,820.48x = 192,915,040,866.87
  5. Step 5: Solve for x
    x = 192,915,040,866.87/503,820.48
  6. Step 6: Final answer
    x = 382,904.33

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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.