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Finding the Fourth Proportional to 401,035.60, 601,553.40 and 134,707.60

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Solution

The fourth proportional to 401,035.60, 601,553.40 and 134,707.60 is: 202,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,035.60 : 601,553.40 = 134,707.60 : x
  2. Step 2: Convert to fraction form
    401,035.60/601,553.40 = 134,707.60/x
  3. Step 3: Cross multiply
    401,035.60x = 601,553.40 × 134,707.60
  4. Step 4: Simplify right side
    401,035.60x = 81,033,814,785.84
  5. Step 5: Solve for x
    x = 81,033,814,785.84/401,035.60
  6. Step 6: Final answer
    x = 202,061.40

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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.