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Finding the Fourth Proportional to 504,969.79, 697,110.83 and 314,044.69

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Solution

The fourth proportional to 504,969.79, 697,110.83 and 314,044.69 is: 433,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,969.79 : 697,110.83 = 314,044.69 : x
  2. Step 2: Convert to fraction form
    504,969.79/697,110.83 = 314,044.69/x
  3. Step 3: Cross multiply
    504,969.79x = 697,110.83 × 314,044.69
  4. Step 4: Simplify right side
    504,969.79x = 218,923,954,502.99
  5. Step 5: Solve for x
    x = 218,923,954,502.99/504,969.79
  6. Step 6: Final answer
    x = 433,538.72

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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.