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Finding the Fourth Proportional to 363,924.88, 502,218.35 and 211,053.72

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Solution

The fourth proportional to 363,924.88, 502,218.35 and 211,053.72 is: 291,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,924.88 : 502,218.35 = 211,053.72 : x
  2. Step 2: Convert to fraction form
    363,924.88/502,218.35 = 211,053.72/x
  3. Step 3: Cross multiply
    363,924.88x = 502,218.35 × 211,053.72
  4. Step 4: Simplify right side
    363,924.88x = 105,995,052,639.26
  5. Step 5: Solve for x
    x = 105,995,052,639.26/363,924.88
  6. Step 6: Final answer
    x = 291,255.31

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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.