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Finding the Fourth Proportional to 364,197.29, 502,628.99 and 211,282.25

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Solution

The fourth proportional to 364,197.29, 502,628.99 and 211,282.25 is: 291,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,197.29 : 502,628.99 = 211,282.25 : x
  2. Step 2: Convert to fraction form
    364,197.29/502,628.99 = 211,282.25/x
  3. Step 3: Cross multiply
    364,197.29x = 502,628.99 × 211,282.25
  4. Step 4: Simplify right side
    364,197.29x = 106,196,580,352.87
  5. Step 5: Solve for x
    x = 106,196,580,352.87/364,197.29
  6. Step 6: Final answer
    x = 291,590.81

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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.