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Finding the Fourth Proportional to 333,969.28, 501,005.76 and 112,336

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Solution

The fourth proportional to 333,969.28, 501,005.76 and 112,336 is: 168,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,969.28 : 501,005.76 = 112,336 : x
  2. Step 2: Convert to fraction form
    333,969.28/501,005.76 = 112,336/x
  3. Step 3: Cross multiply
    333,969.28x = 501,005.76 × 112,336
  4. Step 4: Simplify right side
    333,969.28x = 56,280,983,055.36
  5. Step 5: Solve for x
    x = 56,280,983,055.36/333,969.28
  6. Step 6: Final answer
    x = 168,521.44

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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.