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Finding the Fourth Proportional to 434,818.40, 599,905.92 and 262,671.92

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Solution

The fourth proportional to 434,818.40, 599,905.92 and 262,671.92 is: 362,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,818.40 : 599,905.92 = 262,671.92 : x
  2. Step 2: Convert to fraction form
    434,818.40/599,905.92 = 262,671.92/x
  3. Step 3: Cross multiply
    434,818.40x = 599,905.92 × 262,671.92
  4. Step 4: Simplify right side
    434,818.40x = 157,578,439,825.77
  5. Step 5: Solve for x
    x = 157,578,439,825.77/434,818.40
  6. Step 6: Final answer
    x = 362,400.58

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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.