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Finding the Fourth Proportional to 362,787.20, 544,267.20 and 152,316.80

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Solution

The fourth proportional to 362,787.20, 544,267.20 and 152,316.80 is: 228,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,787.20 : 544,267.20 = 152,316.80 : x
  2. Step 2: Convert to fraction form
    362,787.20/544,267.20 = 152,316.80/x
  3. Step 3: Cross multiply
    362,787.20x = 544,267.20 × 152,316.80
  4. Step 4: Simplify right side
    362,787.20x = 82,901,038,248.96
  5. Step 5: Solve for x
    x = 82,901,038,248.96/362,787.20
  6. Step 6: Final answer
    x = 228,511.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.