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Finding the Fourth Proportional to 223,594.40, 334,808.40 and 213,096.80

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Solution

The fourth proportional to 223,594.40, 334,808.40 and 213,096.80 is: 319,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,594.40 : 334,808.40 = 213,096.80 : x
  2. Step 2: Convert to fraction form
    223,594.40/334,808.40 = 213,096.80/x
  3. Step 3: Cross multiply
    223,594.40x = 334,808.40 × 213,096.80
  4. Step 4: Simplify right side
    223,594.40x = 71,346,598,653.12
  5. Step 5: Solve for x
    x = 71,346,598,653.12/223,594.40
  6. Step 6: Final answer
    x = 319,089.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.