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Finding the Fourth Proportional to 574,698.23, 862,244.28 and 219,813.74

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Solution

The fourth proportional to 574,698.23, 862,244.28 and 219,813.74 is: 329,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,698.23 : 862,244.28 = 219,813.74 : x
  2. Step 2: Convert to fraction form
    574,698.23/862,244.28 = 219,813.74/x
  3. Step 3: Cross multiply
    574,698.23x = 862,244.28 × 219,813.74
  4. Step 4: Simplify right side
    574,698.23x = 189,533,139,980.41
  5. Step 5: Solve for x
    x = 189,533,139,980.41/574,698.23
  6. Step 6: Final answer
    x = 329,795.93

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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.