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Finding the Fourth Proportional to 277,445.40, 382,873.68 and 150,120.42

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Solution

The fourth proportional to 277,445.40, 382,873.68 and 150,120.42 is: 207,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,445.40 : 382,873.68 = 150,120.42 : x
  2. Step 2: Convert to fraction form
    277,445.40/382,873.68 = 150,120.42/x
  3. Step 3: Cross multiply
    277,445.40x = 382,873.68 × 150,120.42
  4. Step 4: Simplify right side
    277,445.40x = 57,477,157,648.55
  5. Step 5: Solve for x
    x = 57,477,157,648.55/277,445.40
  6. Step 6: Final answer
    x = 207,165.65

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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.