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Finding the Fourth Proportional to 401,049.70, 601,574.55 and 134,818.90

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Solution

The fourth proportional to 401,049.70, 601,574.55 and 134,818.90 is: 202,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,049.70 : 601,574.55 = 134,818.90 : x
  2. Step 2: Convert to fraction form
    401,049.70/601,574.55 = 134,818.90/x
  3. Step 3: Cross multiply
    401,049.70x = 601,574.55 × 134,818.90
  4. Step 4: Simplify right side
    401,049.70x = 81,103,619,099.00
  5. Step 5: Solve for x
    x = 81,103,619,099.00/401,049.70
  6. Step 6: Final answer
    x = 202,228.35

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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.