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Finding the Fourth Proportional to 2,913,409.07, 4,361,643.70 and 1,695,273.20

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Solution

The fourth proportional to 2,913,409.07, 4,361,643.70 and 1,695,273.20 is: 2,537,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,409.07 : 4,361,643.70 = 1,695,273.20 : x
  2. Step 2: Convert to fraction form
    2,913,409.07/4,361,643.70 = 1,695,273.20/x
  3. Step 3: Cross multiply
    2,913,409.07x = 4,361,643.70 × 1,695,273.20
  4. Step 4: Simplify right side
    2,913,409.07x = 7,394,177,646,512.44
  5. Step 5: Solve for x
    x = 7,394,177,646,512.44/2,913,409.07
  6. Step 6: Final answer
    x = 2,537,981.27

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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.