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Finding the Fourth Proportional to 572,615.60, 858,704.70 and 173,123.60

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Solution

The fourth proportional to 572,615.60, 858,704.70 and 173,123.60 is: 259,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,615.60 : 858,704.70 = 173,123.60 : x
  2. Step 2: Convert to fraction form
    572,615.60/858,704.70 = 173,123.60/x
  3. Step 3: Cross multiply
    572,615.60x = 858,704.70 × 173,123.60
  4. Step 4: Simplify right side
    572,615.60x = 148,662,049,000.92
  5. Step 5: Solve for x
    x = 148,662,049,000.92/572,615.60
  6. Step 6: Final answer
    x = 259,619.28

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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.