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Finding the Fourth Proportional to 456,834.37, 630,423.77 and 252,880.92

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Solution

The fourth proportional to 456,834.37, 630,423.77 and 252,880.92 is: 348,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,834.37 : 630,423.77 = 252,880.92 : x
  2. Step 2: Convert to fraction form
    456,834.37/630,423.77 = 252,880.92/x
  3. Step 3: Cross multiply
    456,834.37x = 630,423.77 × 252,880.92
  4. Step 4: Simplify right side
    456,834.37x = 159,422,142,947.47
  5. Step 5: Solve for x
    x = 159,422,142,947.47/456,834.37
  6. Step 6: Final answer
    x = 348,971.43

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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.