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Finding the Fourth Proportional to 370,622.42, 511,445.22 and 200,852.90

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Solution

The fourth proportional to 370,622.42, 511,445.22 and 200,852.90 is: 277,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,622.42 : 511,445.22 = 200,852.90 : x
  2. Step 2: Convert to fraction form
    370,622.42/511,445.22 = 200,852.90/x
  3. Step 3: Cross multiply
    370,622.42x = 511,445.22 × 200,852.90
  4. Step 4: Simplify right side
    370,622.42x = 102,725,253,070.91
  5. Step 5: Solve for x
    x = 102,725,253,070.91/370,622.42
  6. Step 6: Final answer
    x = 277,169.56

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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.