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Finding the Fourth Proportional to 965,893.78, 1,448,840.78 and 334,807.60

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Solution

The fourth proportional to 965,893.78, 1,448,840.78 and 334,807.60 is: 502,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,893.78 : 1,448,840.78 = 334,807.60 : x
  2. Step 2: Convert to fraction form
    965,893.78/1,448,840.78 = 334,807.60/x
  3. Step 3: Cross multiply
    965,893.78x = 1,448,840.78 × 334,807.60
  4. Step 4: Simplify right side
    965,893.78x = 485,082,904,333.93
  5. Step 5: Solve for x
    x = 485,082,904,333.93/965,893.78
  6. Step 6: Final answer
    x = 502,211.44

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Similar ratio
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1.5x scale

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.