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Finding the Fourth Proportional to 503,809.07, 695,288.14 and 277,454.57

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Solution

The fourth proportional to 503,809.07, 695,288.14 and 277,454.57 is: 382,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,809.07 : 695,288.14 = 277,454.57 : x
  2. Step 2: Convert to fraction form
    503,809.07/695,288.14 = 277,454.57/x
  3. Step 3: Cross multiply
    503,809.07x = 695,288.14 × 277,454.57
  4. Step 4: Simplify right side
    503,809.07x = 192,910,867,739.72
  5. Step 5: Solve for x
    x = 192,910,867,739.72/503,809.07
  6. Step 6: Final answer
    x = 382,904.72

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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.