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Finding the Fourth Proportional to 381,525.54, 526,485.93 and 226,483.47

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Solution

The fourth proportional to 381,525.54, 526,485.93 and 226,483.47 is: 312,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,525.54 : 526,485.93 = 226,483.47 : x
  2. Step 2: Convert to fraction form
    381,525.54/526,485.93 = 226,483.47/x
  3. Step 3: Cross multiply
    381,525.54x = 526,485.93 × 226,483.47
  4. Step 4: Simplify right side
    381,525.54x = 119,240,358,002.52
  5. Step 5: Solve for x
    x = 119,240,358,002.52/381,525.54
  6. Step 6: Final answer
    x = 312,535.71

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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.