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Finding the Fourth Proportional to 472,203.48, 651,663.91 and 265,536.92

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Solution

The fourth proportional to 472,203.48, 651,663.91 and 265,536.92 is: 366,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,203.48 : 651,663.91 = 265,536.92 : x
  2. Step 2: Convert to fraction form
    472,203.48/651,663.91 = 265,536.92/x
  3. Step 3: Cross multiply
    472,203.48x = 651,663.91 × 265,536.92
  4. Step 4: Simplify right side
    472,203.48x = 173,040,824,112.28
  5. Step 5: Solve for x
    x = 173,040,824,112.28/472,203.48
  6. Step 6: Final answer
    x = 366,453.93

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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.