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Finding the Fourth Proportional to 504,656.58, 696,417.31 and 275,215.65

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Solution

The fourth proportional to 504,656.58, 696,417.31 and 275,215.65 is: 379,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,656.58 : 696,417.31 = 275,215.65 : x
  2. Step 2: Convert to fraction form
    504,656.58/696,417.31 = 275,215.65/x
  3. Step 3: Cross multiply
    504,656.58x = 696,417.31 × 275,215.65
  4. Step 4: Simplify right side
    504,656.58x = 191,664,942,642.90
  5. Step 5: Solve for x
    x = 191,664,942,642.90/504,656.58
  6. Step 6: Final answer
    x = 379,792.81

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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.