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Finding the Fourth Proportional to 404,564.80, 606,847.20 and 370,447.60

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Solution

The fourth proportional to 404,564.80, 606,847.20 and 370,447.60 is: 555,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,564.80 : 606,847.20 = 370,447.60 : x
  2. Step 2: Convert to fraction form
    404,564.80/606,847.20 = 370,447.60/x
  3. Step 3: Cross multiply
    404,564.80x = 606,847.20 × 370,447.60
  4. Step 4: Simplify right side
    404,564.80x = 224,805,088,806.72
  5. Step 5: Solve for x
    x = 224,805,088,806.72/404,564.80
  6. Step 6: Final answer
    x = 555,671.40

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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.