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Finding the Fourth Proportional to 372,479.22, 558,718.83 and 306,548.82

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Solution

The fourth proportional to 372,479.22, 558,718.83 and 306,548.82 is: 459,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,479.22 : 558,718.83 = 306,548.82 : x
  2. Step 2: Convert to fraction form
    372,479.22/558,718.83 = 306,548.82/x
  3. Step 3: Cross multiply
    372,479.22x = 558,718.83 × 306,548.82
  4. Step 4: Simplify right side
    372,479.22x = 171,274,598,048.28
  5. Step 5: Solve for x
    x = 171,274,598,048.28/372,479.22
  6. Step 6: Final answer
    x = 459,823.23

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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.