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Finding the Fourth Proportional to 573,768.92, 791,776.14 and 315,629.50

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Solution

The fourth proportional to 573,768.92, 791,776.14 and 315,629.50 is: 435,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,768.92 : 791,776.14 = 315,629.50 : x
  2. Step 2: Convert to fraction form
    573,768.92/791,776.14 = 315,629.50/x
  3. Step 3: Cross multiply
    573,768.92x = 791,776.14 × 315,629.50
  4. Step 4: Simplify right side
    573,768.92x = 249,907,907,180.13
  5. Step 5: Solve for x
    x = 249,907,907,180.13/573,768.92
  6. Step 6: Final answer
    x = 435,554.97

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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.