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Finding the Fourth Proportional to 560,476.71, 773,476.52 and 305,841.87

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Solution

The fourth proportional to 560,476.71, 773,476.52 and 305,841.87 is: 422,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,476.71 : 773,476.52 = 305,841.87 : x
  2. Step 2: Convert to fraction form
    560,476.71/773,476.52 = 305,841.87/x
  3. Step 3: Cross multiply
    560,476.71x = 773,476.52 × 305,841.87
  4. Step 4: Simplify right side
    560,476.71x = 236,561,505,277.89
  5. Step 5: Solve for x
    x = 236,561,505,277.89/560,476.71
  6. Step 6: Final answer
    x = 422,071.96

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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.