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Finding the Fourth Proportional to 573,355.60, 791,161.97 and 315,189.98

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Solution

The fourth proportional to 573,355.60, 791,161.97 and 315,189.98 is: 434,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,355.60 : 791,161.97 = 315,189.98 : x
  2. Step 2: Convert to fraction form
    573,355.60/791,161.97 = 315,189.98/x
  3. Step 3: Cross multiply
    573,355.60x = 791,161.97 × 315,189.98
  4. Step 4: Simplify right side
    573,355.60x = 249,366,325,501.06
  5. Step 5: Solve for x
    x = 249,366,325,501.06/573,355.60
  6. Step 6: Final answer
    x = 434,924.37

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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.