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Finding the Fourth Proportional to 295,193.88, 440,488.32 and 263,385.36

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Solution

The fourth proportional to 295,193.88, 440,488.32 and 263,385.36 is: 393,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,193.88 : 440,488.32 = 263,385.36 : x
  2. Step 2: Convert to fraction form
    295,193.88/440,488.32 = 263,385.36/x
  3. Step 3: Cross multiply
    295,193.88x = 440,488.32 × 263,385.36
  4. Step 4: Simplify right side
    295,193.88x = 116,018,174,739.00
  5. Step 5: Solve for x
    x = 116,018,174,739.00/295,193.88
  6. Step 6: Final answer
    x = 393,023.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.