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Finding the Fourth Proportional to 354,048.20, 488,592.10 and 192,903.22

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Solution

The fourth proportional to 354,048.20, 488,592.10 and 192,903.22 is: 266,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,048.20 : 488,592.10 = 192,903.22 : x
  2. Step 2: Convert to fraction form
    354,048.20/488,592.10 = 192,903.22/x
  3. Step 3: Cross multiply
    354,048.20x = 488,592.10 × 192,903.22
  4. Step 4: Simplify right side
    354,048.20x = 94,250,989,356.56
  5. Step 5: Solve for x
    x = 94,250,989,356.56/354,048.20
  6. Step 6: Final answer
    x = 266,209.49

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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.