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Finding the Fourth Proportional to 381,333.90, 526,487.30 and 236,293.59

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Solution

The fourth proportional to 381,333.90, 526,487.30 and 236,293.59 is: 326,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,333.90 : 526,487.30 = 236,293.59 : x
  2. Step 2: Convert to fraction form
    381,333.90/526,487.30 = 236,293.59/x
  3. Step 3: Cross multiply
    381,333.90x = 526,487.30 × 236,293.59
  4. Step 4: Simplify right side
    381,333.90x = 124,405,574,206.41
  5. Step 5: Solve for x
    x = 124,405,574,206.41/381,333.90
  6. Step 6: Final answer
    x = 326,237.91

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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.