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Finding the Fourth Proportional to 446,392.77, 616,026.47 and 242,447.68

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Solution

The fourth proportional to 446,392.77, 616,026.47 and 242,447.68 is: 334,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,392.77 : 616,026.47 = 242,447.68 : x
  2. Step 2: Convert to fraction form
    446,392.77/616,026.47 = 242,447.68/x
  3. Step 3: Cross multiply
    446,392.77x = 616,026.47 × 242,447.68
  4. Step 4: Simplify right side
    446,392.77x = 149,354,185,389.96
  5. Step 5: Solve for x
    x = 149,354,185,389.96/446,392.77
  6. Step 6: Final answer
    x = 334,580.21

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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.