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Finding the Fourth Proportional to 480,422.94, 720,664.12 and 160,603.58

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Solution

The fourth proportional to 480,422.94, 720,664.12 and 160,603.58 is: 240,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,422.94 : 720,664.12 = 160,603.58 : x
  2. Step 2: Convert to fraction form
    480,422.94/720,664.12 = 160,603.58/x
  3. Step 3: Cross multiply
    480,422.94x = 720,664.12 × 160,603.58
  4. Step 4: Simplify right side
    480,422.94x = 115,741,237,649.55
  5. Step 5: Solve for x
    x = 115,741,237,649.55/480,422.94
  6. Step 6: Final answer
    x = 240,915.30

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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.