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Finding the Fourth Proportional to 343,373.10, 515,059.65 and 325,877.10

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Solution

The fourth proportional to 343,373.10, 515,059.65 and 325,877.10 is: 488,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,373.10 : 515,059.65 = 325,877.10 : x
  2. Step 2: Convert to fraction form
    343,373.10/515,059.65 = 325,877.10/x
  3. Step 3: Cross multiply
    343,373.10x = 515,059.65 × 325,877.10
  4. Step 4: Simplify right side
    343,373.10x = 167,846,145,069.02
  5. Step 5: Solve for x
    x = 167,846,145,069.02/343,373.10
  6. Step 6: Final answer
    x = 488,815.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.