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Finding the Fourth Proportional to 368,500.88, 552,025.56 and 342,580.88

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Solution

The fourth proportional to 368,500.88, 552,025.56 and 342,580.88 is: 513,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,500.88 : 552,025.56 = 342,580.88 : x
  2. Step 2: Convert to fraction form
    368,500.88/552,025.56 = 342,580.88/x
  3. Step 3: Cross multiply
    368,500.88x = 552,025.56 × 342,580.88
  4. Step 4: Simplify right side
    368,500.88x = 189,113,402,127.29
  5. Step 5: Solve for x
    x = 189,113,402,127.29/368,500.88
  6. Step 6: Final answer
    x = 513,196.61

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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.