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Finding the Fourth Proportional to 965,398.83, 1,448,332.35 and 291,439.89

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Solution

The fourth proportional to 965,398.83, 1,448,332.35 and 291,439.89 is: 437,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,398.83 : 1,448,332.35 = 291,439.89 : x
  2. Step 2: Convert to fraction form
    965,398.83/1,448,332.35 = 291,439.89/x
  3. Step 3: Cross multiply
    965,398.83x = 1,448,332.35 × 291,439.89
  4. Step 4: Simplify right side
    965,398.83x = 422,101,820,767.44
  5. Step 5: Solve for x
    x = 422,101,820,767.44/965,398.83
  6. Step 6: Final answer
    x = 437,230.51

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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.