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Finding the Fourth Proportional to 2,605,430.07, 3,914,152.07 and 2,497,814.55

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Solution

The fourth proportional to 2,605,430.07, 3,914,152.07 and 2,497,814.55 is: 3,752,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,430.07 : 3,914,152.07 = 2,497,814.55 : x
  2. Step 2: Convert to fraction form
    2,605,430.07/3,914,152.07 = 2,497,814.55/x
  3. Step 3: Cross multiply
    2,605,430.07x = 3,914,152.07 × 2,497,814.55
  4. Step 4: Simplify right side
    2,605,430.07x = 9,776,825,978,869.55
  5. Step 5: Solve for x
    x = 9,776,825,978,869.55/2,605,430.07
  6. Step 6: Final answer
    x = 3,752,480.67

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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.