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Finding the Fourth Proportional to 336,652.90, 464,385.09 and 215,751.22

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Solution

The fourth proportional to 336,652.90, 464,385.09 and 215,751.22 is: 297,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,652.90 : 464,385.09 = 215,751.22 : x
  2. Step 2: Convert to fraction form
    336,652.90/464,385.09 = 215,751.22/x
  3. Step 3: Cross multiply
    336,652.90x = 464,385.09 × 215,751.22
  4. Step 4: Simplify right side
    336,652.90x = 100,191,649,717.31
  5. Step 5: Solve for x
    x = 100,191,649,717.31/336,652.90
  6. Step 6: Final answer
    x = 297,611.13

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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.