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Finding the Fourth Proportional to 572,818.60, 859,009.20 and 173,326.60

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Solution

The fourth proportional to 572,818.60, 859,009.20 and 173,326.60 is: 259,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,818.60 : 859,009.20 = 173,326.60 : x
  2. Step 2: Convert to fraction form
    572,818.60/859,009.20 = 173,326.60/x
  3. Step 3: Cross multiply
    572,818.60x = 859,009.20 × 173,326.60
  4. Step 4: Simplify right side
    572,818.60x = 148,889,144,004.72
  5. Step 5: Solve for x
    x = 148,889,144,004.72/572,818.60
  6. Step 6: Final answer
    x = 259,923.72

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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.