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Finding the Fourth Proportional to 484,518.08, 668,628.24 and 269,658.16

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Solution

The fourth proportional to 484,518.08, 668,628.24 and 269,658.16 is: 372,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,518.08 : 668,628.24 = 269,658.16 : x
  2. Step 2: Convert to fraction form
    484,518.08/668,628.24 = 269,658.16/x
  3. Step 3: Cross multiply
    484,518.08x = 668,628.24 × 269,658.16
  4. Step 4: Simplify right side
    484,518.08x = 180,301,060,922.44
  5. Step 5: Solve for x
    x = 180,301,060,922.44/484,518.08
  6. Step 6: Final answer
    x = 372,124.53

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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.