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Finding the Fourth Proportional to 355,507.74, 490,600.95 and 194,360.22

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Solution

The fourth proportional to 355,507.74, 490,600.95 and 194,360.22 is: 268,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,507.74 : 490,600.95 = 194,360.22 : x
  2. Step 2: Convert to fraction form
    355,507.74/490,600.95 = 194,360.22/x
  3. Step 3: Cross multiply
    355,507.74x = 490,600.95 × 194,360.22
  4. Step 4: Simplify right side
    355,507.74x = 95,353,308,574.21
  5. Step 5: Solve for x
    x = 95,353,308,574.21/355,507.74
  6. Step 6: Final answer
    x = 268,217.25

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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.