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Finding the Fourth Proportional to 449,783.52, 674,792.01 and 134,240.42

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Solution

The fourth proportional to 449,783.52, 674,792.01 and 134,240.42 is: 201,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,783.52 : 674,792.01 = 134,240.42 : x
  2. Step 2: Convert to fraction form
    449,783.52/674,792.01 = 134,240.42/x
  3. Step 3: Cross multiply
    449,783.52x = 674,792.01 × 134,240.42
  4. Step 4: Simplify right side
    449,783.52x = 90,584,359,461.08
  5. Step 5: Solve for x
    x = 90,584,359,461.08/449,783.52
  6. Step 6: Final answer
    x = 201,395.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.