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Finding the Fourth Proportional to 307,946.60, 461,263.80 and 248,897.60

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Solution

The fourth proportional to 307,946.60, 461,263.80 and 248,897.60 is: 372,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,946.60 : 461,263.80 = 248,897.60 : x
  2. Step 2: Convert to fraction form
    307,946.60/461,263.80 = 248,897.60/x
  3. Step 3: Cross multiply
    307,946.60x = 461,263.80 × 248,897.60
  4. Step 4: Simplify right side
    307,946.60x = 114,807,452,786.88
  5. Step 5: Solve for x
    x = 114,807,452,786.88/307,946.60
  6. Step 6: Final answer
    x = 372,816.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.