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Finding the Fourth Proportional to 381,124.32, 525,943.66 and 235,891.56

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Solution

The fourth proportional to 381,124.32, 525,943.66 and 235,891.56 is: 325,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,124.32 : 525,943.66 = 235,891.56 : x
  2. Step 2: Convert to fraction form
    381,124.32/525,943.66 = 235,891.56/x
  3. Step 3: Cross multiply
    381,124.32x = 525,943.66 × 235,891.56
  4. Step 4: Simplify right side
    381,124.32x = 124,065,670,429.51
  5. Step 5: Solve for x
    x = 124,065,670,429.51/381,124.32
  6. Step 6: Final answer
    x = 325,525.46

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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.