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Finding the Fourth Proportional to 354,327.58, 488,971.92 and 193,182.76

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Solution

The fourth proportional to 354,327.58, 488,971.92 and 193,182.76 is: 266,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,327.58 : 488,971.92 = 193,182.76 : x
  2. Step 2: Convert to fraction form
    354,327.58/488,971.92 = 193,182.76/x
  3. Step 3: Cross multiply
    354,327.58x = 488,971.92 × 193,182.76
  4. Step 4: Simplify right side
    354,327.58x = 94,460,945,068.10
  5. Step 5: Solve for x
    x = 94,460,945,068.10/354,327.58
  6. Step 6: Final answer
    x = 266,592.13

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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.