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Finding the Fourth Proportional to 312,800.58, 466,911.73 and 268,710.66

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Solution

The fourth proportional to 312,800.58, 466,911.73 and 268,710.66 is: 401,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,800.58 : 466,911.73 = 268,710.66 : x
  2. Step 2: Convert to fraction form
    312,800.58/466,911.73 = 268,710.66/x
  3. Step 3: Cross multiply
    312,800.58x = 466,911.73 × 268,710.66
  4. Step 4: Simplify right side
    312,800.58x = 125,464,159,465.93
  5. Step 5: Solve for x
    x = 125,464,159,465.93/312,800.58
  6. Step 6: Final answer
    x = 401,099.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.