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Finding the Fourth Proportional to 5,295,978.40, 7,937,746.80 and 2,450,079.04

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Solution

The fourth proportional to 5,295,978.40, 7,937,746.80 and 2,450,079.04 is: 3,672,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295,978.40 : 7,937,746.80 = 2,450,079.04 : x
  2. Step 2: Convert to fraction form
    5,295,978.40/7,937,746.80 = 2,450,079.04/x
  3. Step 3: Cross multiply
    5,295,978.40x = 7,937,746.80 × 2,450,079.04
  4. Step 4: Simplify right side
    5,295,978.40x = 19,448,107,059,507.07
  5. Step 5: Solve for x
    x = 19,448,107,059,507.07/5,295,978.40
  6. Step 6: Final answer
    x = 3,672,240.63

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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.