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Finding the Fourth Proportional to 373,833.65, 515,883.80 and 212,685.23

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Solution

The fourth proportional to 373,833.65, 515,883.80 and 212,685.23 is: 293,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,833.65 : 515,883.80 = 212,685.23 : x
  2. Step 2: Convert to fraction form
    373,833.65/515,883.80 = 212,685.23/x
  3. Step 3: Cross multiply
    373,833.65x = 515,883.80 × 212,685.23
  4. Step 4: Simplify right side
    373,833.65x = 109,720,866,477.70
  5. Step 5: Solve for x
    x = 109,720,866,477.70/373,833.65
  6. Step 6: Final answer
    x = 293,501.84

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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.