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Finding the Fourth Proportional to 354,133.02, 488,697.12 and 192,989.46

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Solution

The fourth proportional to 354,133.02, 488,697.12 and 192,989.46 is: 266,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,133.02 : 488,697.12 = 192,989.46 : x
  2. Step 2: Convert to fraction form
    354,133.02/488,697.12 = 192,989.46/x
  3. Step 3: Cross multiply
    354,133.02x = 488,697.12 × 192,989.46
  4. Step 4: Simplify right side
    354,133.02x = 94,313,393,292.36
  5. Step 5: Solve for x
    x = 94,313,393,292.36/354,133.02
  6. Step 6: Final answer
    x = 266,321.94

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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.