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Finding the Fourth Proportional to 895,857.86, 1,344,339 and 363,383.51

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Solution

The fourth proportional to 895,857.86, 1,344,339 and 363,383.51 is: 545,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,857.86 : 1,344,339 = 363,383.51 : x
  2. Step 2: Convert to fraction form
    895,857.86/1,344,339 = 363,383.51/x
  3. Step 3: Cross multiply
    895,857.86x = 1,344,339 × 363,383.51
  4. Step 4: Simplify right side
    895,857.86x = 488,510,617,728.20
  5. Step 5: Solve for x
    x = 488,510,617,728.20/895,857.86
  6. Step 6: Final answer
    x = 545,299.25

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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.