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Finding the Fourth Proportional to 384,031.43, 529,663.91 and 246,223.52

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Solution

The fourth proportional to 384,031.43, 529,663.91 and 246,223.52 is: 339,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,031.43 : 529,663.91 = 246,223.52 : x
  2. Step 2: Convert to fraction form
    384,031.43/529,663.91 = 246,223.52/x
  3. Step 3: Cross multiply
    384,031.43x = 529,663.91 × 246,223.52
  4. Step 4: Simplify right side
    384,031.43x = 130,415,712,337.16
  5. Step 5: Solve for x
    x = 130,415,712,337.16/384,031.43
  6. Step 6: Final answer
    x = 339,596.46

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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.