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Finding the Fourth Proportional to 434,811.78, 600,046.38 and 262,705.77

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Solution

The fourth proportional to 434,811.78, 600,046.38 and 262,705.77 is: 362,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,811.78 : 600,046.38 = 262,705.77 : x
  2. Step 2: Convert to fraction form
    434,811.78/600,046.38 = 262,705.77/x
  3. Step 3: Cross multiply
    434,811.78x = 600,046.38 × 262,705.77
  4. Step 4: Simplify right side
    434,811.78x = 157,635,646,293.61
  5. Step 5: Solve for x
    x = 157,635,646,293.61/434,811.78
  6. Step 6: Final answer
    x = 362,537.66

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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.