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Finding the Fourth Proportional to 354,177.82, 488,751.06 and 193,029.40

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Solution

The fourth proportional to 354,177.82, 488,751.06 and 193,029.40 is: 266,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,177.82 : 488,751.06 = 193,029.40 : x
  2. Step 2: Convert to fraction form
    354,177.82/488,751.06 = 193,029.40/x
  3. Step 3: Cross multiply
    354,177.82x = 488,751.06 × 193,029.40
  4. Step 4: Simplify right side
    354,177.82x = 94,343,323,861.16
  5. Step 5: Solve for x
    x = 94,343,323,861.16/354,177.82
  6. Step 6: Final answer
    x = 266,372.76

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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.