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Finding the Fourth Proportional to 574,878.36, 862,422 and 195,779.64

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Solution

The fourth proportional to 574,878.36, 862,422 and 195,779.64 is: 293,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,878.36 : 862,422 = 195,779.64 : x
  2. Step 2: Convert to fraction form
    574,878.36/862,422 = 195,779.64/x
  3. Step 3: Cross multiply
    574,878.36x = 862,422 × 195,779.64
  4. Step 4: Simplify right side
    574,878.36x = 168,844,668,688.08
  5. Step 5: Solve for x
    x = 168,844,668,688.08/574,878.36
  6. Step 6: Final answer
    x = 293,705.03

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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.