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Finding the Fourth Proportional to 1,566,188.60, 2,347,314.60 and 765,746.60

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Solution

The fourth proportional to 1,566,188.60, 2,347,314.60 and 765,746.60 is: 1,147,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,188.60 : 2,347,314.60 = 765,746.60 : x
  2. Step 2: Convert to fraction form
    1,566,188.60/2,347,314.60 = 765,746.60/x
  3. Step 3: Cross multiply
    1,566,188.60x = 2,347,314.60 × 765,746.60
  4. Step 4: Simplify right side
    1,566,188.60x = 1,797,448,174,080.36
  5. Step 5: Solve for x
    x = 1,797,448,174,080.36/1,566,188.60
  6. Step 6: Final answer
    x = 1,147,657.55

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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.