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Finding the Fourth Proportional to 381,333.33, 526,238.54 and 209,254.17

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Solution

The fourth proportional to 381,333.33, 526,238.54 and 209,254.17 is: 288,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,333.33 : 526,238.54 = 209,254.17 : x
  2. Step 2: Convert to fraction form
    381,333.33/526,238.54 = 209,254.17/x
  3. Step 3: Cross multiply
    381,333.33x = 526,238.54 × 209,254.17
  4. Step 4: Simplify right side
    381,333.33x = 110,117,607,661.45
  5. Step 5: Solve for x
    x = 110,117,607,661.45/381,333.33
  6. Step 6: Final answer
    x = 288,769.95

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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.