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Finding the Fourth Proportional to 304,866.40, 456,003.60 and 273,503.20

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Solution

The fourth proportional to 304,866.40, 456,003.60 and 273,503.20 is: 409,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,866.40 : 456,003.60 = 273,503.20 : x
  2. Step 2: Convert to fraction form
    304,866.40/456,003.60 = 273,503.20/x
  3. Step 3: Cross multiply
    304,866.40x = 456,003.60 × 273,503.20
  4. Step 4: Simplify right side
    304,866.40x = 124,718,443,811.52
  5. Step 5: Solve for x
    x = 124,718,443,811.52/304,866.40
  6. Step 6: Final answer
    x = 409,092.13

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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.