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Finding the Fourth Proportional to 354,010.91, 488,533.60 and 192,865.46

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Solution

The fourth proportional to 354,010.91, 488,533.60 and 192,865.46 is: 266,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,010.91 : 488,533.60 = 192,865.46 : x
  2. Step 2: Convert to fraction form
    354,010.91/488,533.60 = 192,865.46/x
  3. Step 3: Cross multiply
    354,010.91x = 488,533.60 × 192,865.46
  4. Step 4: Simplify right side
    354,010.91x = 94,221,258,228.63
  5. Step 5: Solve for x
    x = 94,221,258,228.63/354,010.91
  6. Step 6: Final answer
    x = 266,153.54

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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.