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Finding the Fourth Proportional to 404,473.28, 606,798.40 and 124,012.40

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Solution

The fourth proportional to 404,473.28, 606,798.40 and 124,012.40 is: 186,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,473.28 : 606,798.40 = 124,012.40 : x
  2. Step 2: Convert to fraction form
    404,473.28/606,798.40 = 124,012.40/x
  3. Step 3: Cross multiply
    404,473.28x = 606,798.40 × 124,012.40
  4. Step 4: Simplify right side
    404,473.28x = 75,250,525,900.16
  5. Step 5: Solve for x
    x = 75,250,525,900.16/404,473.28
  6. Step 6: Final answer
    x = 186,045.73

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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.