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Finding the Fourth Proportional to 347,612.04, 479,704.58 and 188,636.04

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Solution

The fourth proportional to 347,612.04, 479,704.58 and 188,636.04 is: 260,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,612.04 : 479,704.58 = 188,636.04 : x
  2. Step 2: Convert to fraction form
    347,612.04/479,704.58 = 188,636.04/x
  3. Step 3: Cross multiply
    347,612.04x = 479,704.58 × 188,636.04
  4. Step 4: Simplify right side
    347,612.04x = 90,489,572,341.06
  5. Step 5: Solve for x
    x = 90,489,572,341.06/347,612.04
  6. Step 6: Final answer
    x = 260,317.72

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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.