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Finding the Fourth Proportional to 605,953.08, 836,210.52 and 330,310.28

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Solution

The fourth proportional to 605,953.08, 836,210.52 and 330,310.28 is: 455,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,953.08 : 836,210.52 = 330,310.28 : x
  2. Step 2: Convert to fraction form
    605,953.08/836,210.52 = 330,310.28/x
  3. Step 3: Cross multiply
    605,953.08x = 836,210.52 × 330,310.28
  4. Step 4: Simplify right side
    605,953.08x = 276,208,931,000.15
  5. Step 5: Solve for x
    x = 276,208,931,000.15/605,953.08
  6. Step 6: Final answer
    x = 455,825.61

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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.