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Finding the Fourth Proportional to 560,612.73, 773,402.87 and 342,830.93

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Solution

The fourth proportional to 560,612.73, 773,402.87 and 342,830.93 is: 472,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,612.73 : 773,402.87 = 342,830.93 : x
  2. Step 2: Convert to fraction form
    560,612.73/773,402.87 = 342,830.93/x
  3. Step 3: Cross multiply
    560,612.73x = 773,402.87 × 342,830.93
  4. Step 4: Simplify right side
    560,612.73x = 265,146,419,605.60
  5. Step 5: Solve for x
    x = 265,146,419,605.60/560,612.73
  6. Step 6: Final answer
    x = 472,958.26

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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.