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Finding the Fourth Proportional to 370,246.76, 555,255.16 and 133,558.64

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Solution

The fourth proportional to 370,246.76, 555,255.16 and 133,558.64 is: 200,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,246.76 : 555,255.16 = 133,558.64 : x
  2. Step 2: Convert to fraction form
    370,246.76/555,255.16 = 133,558.64/x
  3. Step 3: Cross multiply
    370,246.76x = 555,255.16 × 133,558.64
  4. Step 4: Simplify right side
    370,246.76x = 74,159,124,022.58
  5. Step 5: Solve for x
    x = 74,159,124,022.58/370,246.76
  6. Step 6: Final answer
    x = 200,296.48

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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.