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Finding the Fourth Proportional to 480,671.67, 720,955.59 and 160,787.25

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Solution

The fourth proportional to 480,671.67, 720,955.59 and 160,787.25 is: 241,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,671.67 : 720,955.59 = 160,787.25 : x
  2. Step 2: Convert to fraction form
    480,671.67/720,955.59 = 160,787.25/x
  3. Step 3: Cross multiply
    480,671.67x = 720,955.59 × 160,787.25
  4. Step 4: Simplify right side
    480,671.67x = 115,920,466,688.23
  5. Step 5: Solve for x
    x = 115,920,466,688.23/480,671.67
  6. Step 6: Final answer
    x = 241,163.51

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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.