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Finding the Fourth Proportional to 363,967.50, 502,216.05 and 210,975.84

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Solution

The fourth proportional to 363,967.50, 502,216.05 and 210,975.84 is: 291,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,967.50 : 502,216.05 = 210,975.84 : x
  2. Step 2: Convert to fraction form
    363,967.50/502,216.05 = 210,975.84/x
  3. Step 3: Cross multiply
    363,967.50x = 502,216.05 × 210,975.84
  4. Step 4: Simplify right side
    363,967.50x = 105,955,453,010.23
  5. Step 5: Solve for x
    x = 105,955,453,010.23/363,967.50
  6. Step 6: Final answer
    x = 291,112.40

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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.