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Finding the Fourth Proportional to 356,961.92, 535,476.48 and 254,807.36

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Solution

The fourth proportional to 356,961.92, 535,476.48 and 254,807.36 is: 382,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,961.92 : 535,476.48 = 254,807.36 : x
  2. Step 2: Convert to fraction form
    356,961.92/535,476.48 = 254,807.36/x
  3. Step 3: Cross multiply
    356,961.92x = 535,476.48 × 254,807.36
  4. Step 4: Simplify right side
    356,961.92x = 136,443,348,210.89
  5. Step 5: Solve for x
    x = 136,443,348,210.89/356,961.92
  6. Step 6: Final answer
    x = 382,235.02

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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.