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Finding the Fourth Proportional to 572,606.80, 859,007.40 and 173,244.40

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Solution

The fourth proportional to 572,606.80, 859,007.40 and 173,244.40 is: 259,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,606.80 : 859,007.40 = 173,244.40 : x
  2. Step 2: Convert to fraction form
    572,606.80/859,007.40 = 173,244.40/x
  3. Step 3: Cross multiply
    572,606.80x = 859,007.40 × 173,244.40
  4. Step 4: Simplify right side
    572,606.80x = 148,818,221,608.56
  5. Step 5: Solve for x
    x = 148,818,221,608.56/572,606.80
  6. Step 6: Final answer
    x = 259,896.01

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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.