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Finding the Fourth Proportional to 449,550.53, 619,116.77 and 439,752.77

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Solution

The fourth proportional to 449,550.53, 619,116.77 and 439,752.77 is: 605,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,550.53 : 619,116.77 = 439,752.77 : x
  2. Step 2: Convert to fraction form
    449,550.53/619,116.77 = 439,752.77/x
  3. Step 3: Cross multiply
    449,550.53x = 619,116.77 × 439,752.77
  4. Step 4: Simplify right side
    449,550.53x = 272,258,309,266.61
  5. Step 5: Solve for x
    x = 272,258,309,266.61/449,550.53
  6. Step 6: Final answer
    x = 605,623.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.