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Finding the Fourth Proportional to 454,203.96, 681,405.71 and 134,330.90

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Solution

The fourth proportional to 454,203.96, 681,405.71 and 134,330.90 is: 201,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,203.96 : 681,405.71 = 134,330.90 : x
  2. Step 2: Convert to fraction form
    454,203.96/681,405.71 = 134,330.90/x
  3. Step 3: Cross multiply
    454,203.96x = 681,405.71 × 134,330.90
  4. Step 4: Simplify right side
    454,203.96x = 91,533,838,210.76
  5. Step 5: Solve for x
    x = 91,533,838,210.76/454,203.96
  6. Step 6: Final answer
    x = 201,525.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.