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Finding the Fourth Proportional to 362,392.20, 543,477.60 and 172,752.60

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Solution

The fourth proportional to 362,392.20, 543,477.60 and 172,752.60 is: 259,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,392.20 : 543,477.60 = 172,752.60 : x
  2. Step 2: Convert to fraction form
    362,392.20/543,477.60 = 172,752.60/x
  3. Step 3: Cross multiply
    362,392.20x = 543,477.60 × 172,752.60
  4. Step 4: Simplify right side
    362,392.20x = 93,887,168,441.76
  5. Step 5: Solve for x
    x = 93,887,168,441.76/362,392.20
  6. Step 6: Final answer
    x = 259,076.13

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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.