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Finding the Fourth Proportional to 1,844,805.60, 2,768,763.60 and 898,984.80

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Solution

The fourth proportional to 1,844,805.60, 2,768,763.60 and 898,984.80 is: 1,349,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,805.60 : 2,768,763.60 = 898,984.80 : x
  2. Step 2: Convert to fraction form
    1,844,805.60/2,768,763.60 = 898,984.80/x
  3. Step 3: Cross multiply
    1,844,805.60x = 2,768,763.60 × 898,984.80
  4. Step 4: Simplify right side
    1,844,805.60x = 2,489,076,391,193.28
  5. Step 5: Solve for x
    x = 2,489,076,391,193.28/1,844,805.60
  6. Step 6: Final answer
    x = 1,349,235.06

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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.