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Finding the Fourth Proportional to 381,308.33, 526,901.69 and 277,762.25

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Solution

The fourth proportional to 381,308.33, 526,901.69 and 277,762.25 is: 383,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,308.33 : 526,901.69 = 277,762.25 : x
  2. Step 2: Convert to fraction form
    381,308.33/526,901.69 = 277,762.25/x
  3. Step 3: Cross multiply
    381,308.33x = 526,901.69 × 277,762.25
  4. Step 4: Simplify right side
    381,308.33x = 146,353,400,954.86
  5. Step 5: Solve for x
    x = 146,353,400,954.86/381,308.33
  6. Step 6: Final answer
    x = 383,819.05

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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.