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Finding the Fourth Proportional to 576,000.45, 863,968.32 and 176,640.12

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Solution

The fourth proportional to 576,000.45, 863,968.32 and 176,640.12 is: 264,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,000.45 : 863,968.32 = 176,640.12 : x
  2. Step 2: Convert to fraction form
    576,000.45/863,968.32 = 176,640.12/x
  3. Step 3: Cross multiply
    576,000.45x = 863,968.32 × 176,640.12
  4. Step 4: Simplify right side
    576,000.45x = 152,611,467,721.00
  5. Step 5: Solve for x
    x = 152,611,467,721.00/576,000.45
  6. Step 6: Final answer
    x = 264,950.26

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1.5x scale

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.