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Finding the Fourth Proportional to 484,686.96, 668,890.08 and 269,840.67

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Solution

The fourth proportional to 484,686.96, 668,890.08 and 269,840.67 is: 372,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,686.96 : 668,890.08 = 269,840.67 : x
  2. Step 2: Convert to fraction form
    484,686.96/668,890.08 = 269,840.67/x
  3. Step 3: Cross multiply
    484,686.96x = 668,890.08 × 269,840.67
  4. Step 4: Simplify right side
    484,686.96x = 180,493,747,343.55
  5. Step 5: Solve for x
    x = 180,493,747,343.55/484,686.96
  6. Step 6: Final answer
    x = 372,392.41

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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.