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Finding the Fourth Proportional to 574,632.60, 861,653.61 and 308,616.84

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Solution

The fourth proportional to 574,632.60, 861,653.61 and 308,616.84 is: 462,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,632.60 : 861,653.61 = 308,616.84 : x
  2. Step 2: Convert to fraction form
    574,632.60/861,653.61 = 308,616.84/x
  3. Step 3: Cross multiply
    574,632.60x = 861,653.61 × 308,616.84
  4. Step 4: Simplify right side
    574,632.60x = 265,920,814,292.79
  5. Step 5: Solve for x
    x = 265,920,814,292.79/574,632.60
  6. Step 6: Final answer
    x = 462,766.67

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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.