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Finding the Fourth Proportional to 1,738,235.20, 2,607,352.80 and 1,027,897.60

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Solution

The fourth proportional to 1,738,235.20, 2,607,352.80 and 1,027,897.60 is: 1,541,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,235.20 : 2,607,352.80 = 1,027,897.60 : x
  2. Step 2: Convert to fraction form
    1,738,235.20/2,607,352.80 = 1,027,897.60/x
  3. Step 3: Cross multiply
    1,738,235.20x = 2,607,352.80 × 1,027,897.60
  4. Step 4: Simplify right side
    1,738,235.20x = 2,680,091,685,473.28
  5. Step 5: Solve for x
    x = 2,680,091,685,473.28/1,738,235.20
  6. Step 6: Final answer
    x = 1,541,846.40

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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.