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Finding the Fourth Proportional to 273,240.66, 409,888.32 and 83,698.84

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Solution

The fourth proportional to 273,240.66, 409,888.32 and 83,698.84 is: 125,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,240.66 : 409,888.32 = 83,698.84 : x
  2. Step 2: Convert to fraction form
    273,240.66/409,888.32 = 83,698.84/x
  3. Step 3: Cross multiply
    273,240.66x = 409,888.32 × 83,698.84
  4. Step 4: Simplify right side
    273,240.66x = 34,307,176,913.55
  5. Step 5: Solve for x
    x = 34,307,176,913.55/273,240.66
  6. Step 6: Final answer
    x = 125,556.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.