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Finding the Fourth Proportional to 265,309.02, 365,429.04 and 203,937.81

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Solution

The fourth proportional to 265,309.02, 365,429.04 and 203,937.81 is: 280,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,309.02 : 365,429.04 = 203,937.81 : x
  2. Step 2: Convert to fraction form
    265,309.02/365,429.04 = 203,937.81/x
  3. Step 3: Cross multiply
    265,309.02x = 365,429.04 × 203,937.81
  4. Step 4: Simplify right side
    265,309.02x = 74,524,798,128.00
  5. Step 5: Solve for x
    x = 74,524,798,128.00/265,309.02
  6. Step 6: Final answer
    x = 280,898.09

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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.