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Finding the Fourth Proportional to 452,918.99, 625,035.97 and 248,978.50

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Solution

The fourth proportional to 452,918.99, 625,035.97 and 248,978.50 is: 343,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,918.99 : 625,035.97 = 248,978.50 : x
  2. Step 2: Convert to fraction form
    452,918.99/625,035.97 = 248,978.50/x
  3. Step 3: Cross multiply
    452,918.99x = 625,035.97 × 248,978.50
  4. Step 4: Simplify right side
    452,918.99x = 155,620,519,349.16
  5. Step 5: Solve for x
    x = 155,620,519,349.16/452,918.99
  6. Step 6: Final answer
    x = 343,594.60

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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.