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Finding the Fourth Proportional to 404,014.80, 605,503.80 and 310,054.80

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Solution

The fourth proportional to 404,014.80, 605,503.80 and 310,054.80 is: 464,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,014.80 : 605,503.80 = 310,054.80 : x
  2. Step 2: Convert to fraction form
    404,014.80/605,503.80 = 310,054.80/x
  3. Step 3: Cross multiply
    404,014.80x = 605,503.80 × 310,054.80
  4. Step 4: Simplify right side
    404,014.80x = 187,739,359,608.24
  5. Step 5: Solve for x
    x = 187,739,359,608.24/404,014.80
  6. Step 6: Final answer
    x = 464,684.36

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1.5x scale

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.