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Finding the Fourth Proportional to 364,384.30, 502,714.78 and 211,336.67

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Solution

The fourth proportional to 364,384.30, 502,714.78 and 211,336.67 is: 291,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,384.30 : 502,714.78 = 211,336.67 : x
  2. Step 2: Convert to fraction form
    364,384.30/502,714.78 = 211,336.67/x
  3. Step 3: Cross multiply
    364,384.30x = 502,714.78 × 211,336.67
  4. Step 4: Simplify right side
    364,384.30x = 106,242,067,564.98
  5. Step 5: Solve for x
    x = 106,242,067,564.98/364,384.30
  6. Step 6: Final answer
    x = 291,565.99

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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.