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Finding the Fourth Proportional to 573,351.32, 791,160.54 and 343,918.02

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Solution

The fourth proportional to 573,351.32, 791,160.54 and 343,918.02 is: 474,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,351.32 : 791,160.54 = 343,918.02 : x
  2. Step 2: Convert to fraction form
    573,351.32/791,160.54 = 343,918.02/x
  3. Step 3: Cross multiply
    573,351.32x = 791,160.54 × 343,918.02
  4. Step 4: Simplify right side
    573,351.32x = 272,094,366,418.93
  5. Step 5: Solve for x
    x = 272,094,366,418.93/573,351.32
  6. Step 6: Final answer
    x = 474,568.31

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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.