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Finding the Fourth Proportional to 3,668,946.89, 5,503,217.93 and 1,509,425.49

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Solution

The fourth proportional to 3,668,946.89, 5,503,217.93 and 1,509,425.49 is: 2,264,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,946.89 : 5,503,217.93 = 1,509,425.49 : x
  2. Step 2: Convert to fraction form
    3,668,946.89/5,503,217.93 = 1,509,425.49/x
  3. Step 3: Cross multiply
    3,668,946.89x = 5,503,217.93 × 1,509,425.49
  4. Step 4: Simplify right side
    3,668,946.89x = 8,306,697,430,207.34
  5. Step 5: Solve for x
    x = 8,306,697,430,207.34/3,668,946.89
  6. Step 6: Final answer
    x = 2,264,054.97

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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.