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Finding the Fourth Proportional to 452,059.32, 623,849.78 and 248,129.32

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Solution

The fourth proportional to 452,059.32, 623,849.78 and 248,129.32 is: 342,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,059.32 : 623,849.78 = 248,129.32 : x
  2. Step 2: Convert to fraction form
    452,059.32/623,849.78 = 248,129.32/x
  3. Step 3: Cross multiply
    452,059.32x = 623,849.78 × 248,129.32
  4. Step 4: Simplify right side
    452,059.32x = 154,795,421,693.55
  5. Step 5: Solve for x
    x = 154,795,421,693.55/452,059.32
  6. Step 6: Final answer
    x = 342,422.81

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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.