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Finding the Fourth Proportional to 2,746,010.40, 4,119,322.80 and 852,736.80

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Solution

The fourth proportional to 2,746,010.40, 4,119,322.80 and 852,736.80 is: 1,279,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,010.40 : 4,119,322.80 = 852,736.80 : x
  2. Step 2: Convert to fraction form
    2,746,010.40/4,119,322.80 = 852,736.80/x
  3. Step 3: Cross multiply
    2,746,010.40x = 4,119,322.80 × 852,736.80
  4. Step 4: Simplify right side
    2,746,010.40x = 3,512,698,142,639.04
  5. Step 5: Solve for x
    x = 3,512,698,142,639.04/2,746,010.40
  6. Step 6: Final answer
    x = 1,279,200.60

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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.