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Finding the Fourth Proportional to 484,989.54, 669,268.22 and 270,118.01

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Solution

The fourth proportional to 484,989.54, 669,268.22 and 270,118.01 is: 372,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,989.54 : 669,268.22 = 270,118.01 : x
  2. Step 2: Convert to fraction form
    484,989.54/669,268.22 = 270,118.01/x
  3. Step 3: Cross multiply
    484,989.54x = 669,268.22 × 270,118.01
  4. Step 4: Simplify right side
    484,989.54x = 180,781,395,045.71
  5. Step 5: Solve for x
    x = 180,781,395,045.71/484,989.54
  6. Step 6: Final answer
    x = 372,753.18

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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.