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Finding the Fourth Proportional to 1,595,978, 2,202,495.72 and 880,632.08

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Solution

The fourth proportional to 1,595,978, 2,202,495.72 and 880,632.08 is: 1,215,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,978 : 2,202,495.72 = 880,632.08 : x
  2. Step 2: Convert to fraction form
    1,595,978/2,202,495.72 = 880,632.08/x
  3. Step 3: Cross multiply
    1,595,978x = 2,202,495.72 × 880,632.08
  4. Step 4: Simplify right side
    1,595,978x = 1,939,588,387,094.70
  5. Step 5: Solve for x
    x = 1,939,588,387,094.70/1,595,978
  6. Step 6: Final answer
    x = 1,215,297.70

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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.