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Finding the Fourth Proportional to 606,315.72, 836,707.08 and 351,710.04

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Solution

The fourth proportional to 606,315.72, 836,707.08 and 351,710.04 is: 485,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,315.72 : 836,707.08 = 351,710.04 : x
  2. Step 2: Convert to fraction form
    606,315.72/836,707.08 = 351,710.04/x
  3. Step 3: Cross multiply
    606,315.72x = 836,707.08 × 351,710.04
  4. Step 4: Simplify right side
    606,315.72x = 294,278,280,575.08
  5. Step 5: Solve for x
    x = 294,278,280,575.08/606,315.72
  6. Step 6: Final answer
    x = 485,354.86

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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.