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Finding the Fourth Proportional to 573,515.19, 791,495.30 and 344,081.11

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Solution

The fourth proportional to 573,515.19, 791,495.30 and 344,081.11 is: 474,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,515.19 : 791,495.30 = 344,081.11 : x
  2. Step 2: Convert to fraction form
    573,515.19/791,495.30 = 344,081.11/x
  3. Step 3: Cross multiply
    573,515.19x = 791,495.30 × 344,081.11
  4. Step 4: Simplify right side
    573,515.19x = 272,338,579,663.38
  5. Step 5: Solve for x
    x = 272,338,579,663.38/573,515.19
  6. Step 6: Final answer
    x = 474,858.53

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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.