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Finding the Fourth Proportional to 364,049.78, 502,347.17 and 211,056.06

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Solution

The fourth proportional to 364,049.78, 502,347.17 and 211,056.06 is: 291,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,049.78 : 502,347.17 = 211,056.06 : x
  2. Step 2: Convert to fraction form
    364,049.78/502,347.17 = 211,056.06/x
  3. Step 3: Cross multiply
    364,049.78x = 502,347.17 × 211,056.06
  4. Step 4: Simplify right side
    364,049.78x = 106,023,415,676.60
  5. Step 5: Solve for x
    x = 106,023,415,676.60/364,049.78
  6. Step 6: Final answer
    x = 291,233.30

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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.