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Finding the Fourth Proportional to 456,385.76, 629,809.52 and 252,433.02

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Solution

The fourth proportional to 456,385.76, 629,809.52 and 252,433.02 is: 348,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,385.76 : 629,809.52 = 252,433.02 : x
  2. Step 2: Convert to fraction form
    456,385.76/629,809.52 = 252,433.02/x
  3. Step 3: Cross multiply
    456,385.76x = 629,809.52 × 252,433.02
  4. Step 4: Simplify right side
    456,385.76x = 158,984,717,896.19
  5. Step 5: Solve for x
    x = 158,984,717,896.19/456,385.76
  6. Step 6: Final answer
    x = 348,356.00

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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.