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Finding the Fourth Proportional to 255,995.60, 383,681.94 and 181,137.32

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Solution

The fourth proportional to 255,995.60, 383,681.94 and 181,137.32 is: 271,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,995.60 : 383,681.94 = 181,137.32 : x
  2. Step 2: Convert to fraction form
    255,995.60/383,681.94 = 181,137.32/x
  3. Step 3: Cross multiply
    255,995.60x = 383,681.94 × 181,137.32
  4. Step 4: Simplify right side
    255,995.60x = 69,499,118,344.00
  5. Step 5: Solve for x
    x = 69,499,118,344.00/255,995.60
  6. Step 6: Final answer
    x = 271,485.60

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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.