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Finding the Fourth Proportional to 456,755.52, 630,323.87 and 252,820.50

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Solution

The fourth proportional to 456,755.52, 630,323.87 and 252,820.50 is: 348,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,755.52 : 630,323.87 = 252,820.50 : x
  2. Step 2: Convert to fraction form
    456,755.52/630,323.87 = 252,820.50/x
  3. Step 3: Cross multiply
    456,755.52x = 630,323.87 × 252,820.50
  4. Step 4: Simplify right side
    456,755.52x = 159,358,794,711.23
  5. Step 5: Solve for x
    x = 159,358,794,711.23/456,755.52
  6. Step 6: Final answer
    x = 348,892.98

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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.