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Finding the Fourth Proportional to 484,543.06, 668,662.73 and 269,683.20

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Solution

The fourth proportional to 484,543.06, 668,662.73 and 269,683.20 is: 372,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,543.06 : 668,662.73 = 269,683.20 : x
  2. Step 2: Convert to fraction form
    484,543.06/668,662.73 = 269,683.20/x
  3. Step 3: Cross multiply
    484,543.06x = 668,662.73 × 269,683.20
  4. Step 4: Simplify right side
    484,543.06x = 180,327,104,410.03
  5. Step 5: Solve for x
    x = 180,327,104,410.03/484,543.06
  6. Step 6: Final answer
    x = 372,159.09

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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.