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Finding the Fourth Proportional to 277,775.40, 383,330.64 and 150,451

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Solution

The fourth proportional to 277,775.40, 383,330.64 and 150,451 is: 207,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,775.40 : 383,330.64 = 150,451 : x
  2. Step 2: Convert to fraction form
    277,775.40/383,330.64 = 150,451/x
  3. Step 3: Cross multiply
    277,775.40x = 383,330.64 × 150,451
  4. Step 4: Simplify right side
    277,775.40x = 57,672,478,118.64
  5. Step 5: Solve for x
    x = 57,672,478,118.64/277,775.40
  6. Step 6: Final answer
    x = 207,622.70

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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.