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Finding the Fourth Proportional to 381,300.30, 525,975.80 and 237,811.23

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Solution

The fourth proportional to 381,300.30, 525,975.80 and 237,811.23 is: 328,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,300.30 : 525,975.80 = 237,811.23 : x
  2. Step 2: Convert to fraction form
    381,300.30/525,975.80 = 237,811.23/x
  3. Step 3: Cross multiply
    381,300.30x = 525,975.80 × 237,811.23
  4. Step 4: Simplify right side
    381,300.30x = 125,082,950,759.18
  5. Step 5: Solve for x
    x = 125,082,950,759.18/381,300.30
  6. Step 6: Final answer
    x = 328,043.15

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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.