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Finding the Fourth Proportional to 573,940.98, 791,708.85 and 358,707.39

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Solution

The fourth proportional to 573,940.98, 791,708.85 and 358,707.39 is: 494,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,940.98 : 791,708.85 = 358,707.39 : x
  2. Step 2: Convert to fraction form
    573,940.98/791,708.85 = 358,707.39/x
  3. Step 3: Cross multiply
    573,940.98x = 791,708.85 × 358,707.39
  4. Step 4: Simplify right side
    573,940.98x = 283,991,815,223.40
  5. Step 5: Solve for x
    x = 283,991,815,223.40/573,940.98
  6. Step 6: Final answer
    x = 494,810.14

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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.