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Finding the Fourth Proportional to 572,336.48, 858,626.15 and 217,342.64

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Solution

The fourth proportional to 572,336.48, 858,626.15 and 217,342.64 is: 326,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,336.48 : 858,626.15 = 217,342.64 : x
  2. Step 2: Convert to fraction form
    572,336.48/858,626.15 = 217,342.64/x
  3. Step 3: Cross multiply
    572,336.48x = 858,626.15 × 217,342.64
  4. Step 4: Simplify right side
    572,336.48x = 186,616,068,834.19
  5. Step 5: Solve for x
    x = 186,616,068,834.19/572,336.48
  6. Step 6: Final answer
    x = 326,060.07

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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.