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Finding the Fourth Proportional to 364,383.80, 502,714.10 and 211,336.17

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Solution

The fourth proportional to 364,383.80, 502,714.10 and 211,336.17 is: 291,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,383.80 : 502,714.10 = 211,336.17 : x
  2. Step 2: Convert to fraction form
    364,383.80/502,714.10 = 211,336.17/x
  3. Step 3: Cross multiply
    364,383.80x = 502,714.10 × 211,336.17
  4. Step 4: Simplify right side
    364,383.80x = 106,241,671,442.32
  5. Step 5: Solve for x
    x = 106,241,671,442.32/364,383.80
  6. Step 6: Final answer
    x = 291,565.30

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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.