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Finding the Fourth Proportional to 572,405.60, 858,608.40 and 173,326.70

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Solution

The fourth proportional to 572,405.60, 858,608.40 and 173,326.70 is: 259,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,405.60 : 858,608.40 = 173,326.70 : x
  2. Step 2: Convert to fraction form
    572,405.60/858,608.40 = 173,326.70/x
  3. Step 3: Cross multiply
    572,405.60x = 858,608.40 × 173,326.70
  4. Step 4: Simplify right side
    572,405.60x = 148,819,760,564.28
  5. Step 5: Solve for x
    x = 148,819,760,564.28/572,405.60
  6. Step 6: Final answer
    x = 259,990.05

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Similar ratio
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1.5x scale

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.