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Finding the Fourth Proportional to 525,963.60, 725,828.04 and 299,647.44

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Solution

The fourth proportional to 525,963.60, 725,828.04 and 299,647.44 is: 413,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,963.60 : 725,828.04 = 299,647.44 : x
  2. Step 2: Convert to fraction form
    525,963.60/725,828.04 = 299,647.44/x
  3. Step 3: Cross multiply
    525,963.60x = 725,828.04 × 299,647.44
  4. Step 4: Simplify right side
    525,963.60x = 217,492,514,066.22
  5. Step 5: Solve for x
    x = 217,492,514,066.22/525,963.60
  6. Step 6: Final answer
    x = 413,512.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.