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Finding the Fourth Proportional to 504,275.28, 695,898.48 and 277,920.72

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Solution

The fourth proportional to 504,275.28, 695,898.48 and 277,920.72 is: 383,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,275.28 : 695,898.48 = 277,920.72 : x
  2. Step 2: Convert to fraction form
    504,275.28/695,898.48 = 277,920.72/x
  3. Step 3: Cross multiply
    504,275.28x = 695,898.48 × 277,920.72
  4. Step 4: Simplify right side
    504,275.28x = 193,404,606,608.51
  5. Step 5: Solve for x
    x = 193,404,606,608.51/504,275.28
  6. Step 6: Final answer
    x = 383,529.82

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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.