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Finding the Fourth Proportional to 1,713,648.77, 2,364,835.30 and 949,751.54

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Solution

The fourth proportional to 1,713,648.77, 2,364,835.30 and 949,751.54 is: 1,310,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713,648.77 : 2,364,835.30 = 949,751.54 : x
  2. Step 2: Convert to fraction form
    1,713,648.77/2,364,835.30 = 949,751.54/x
  3. Step 3: Cross multiply
    1,713,648.77x = 2,364,835.30 × 949,751.54
  4. Step 4: Simplify right side
    1,713,648.77x = 2,246,005,968,021.36
  5. Step 5: Solve for x
    x = 2,246,005,968,021.36/1,713,648.77
  6. Step 6: Final answer
    x = 1,310,657.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.