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Finding the Fourth Proportional to 452,809.58, 624,891.29 and 248,856.80

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Solution

The fourth proportional to 452,809.58, 624,891.29 and 248,856.80 is: 343,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,809.58 : 624,891.29 = 248,856.80 : x
  2. Step 2: Convert to fraction form
    452,809.58/624,891.29 = 248,856.80/x
  3. Step 3: Cross multiply
    452,809.58x = 624,891.29 × 248,856.80
  4. Step 4: Simplify right side
    452,809.58x = 155,508,444,751.87
  5. Step 5: Solve for x
    x = 155,508,444,751.87/452,809.58
  6. Step 6: Final answer
    x = 343,430.11

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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.