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Finding the Fourth Proportional to 255,993.60, 383,678.94 and 181,135.32

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Solution

The fourth proportional to 255,993.60, 383,678.94 and 181,135.32 is: 271,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,993.60 : 383,678.94 = 181,135.32 : x
  2. Step 2: Convert to fraction form
    255,993.60/383,678.94 = 181,135.32/x
  3. Step 3: Cross multiply
    255,993.60x = 383,678.94 × 181,135.32
  4. Step 4: Simplify right side
    255,993.60x = 69,497,807,574.16
  5. Step 5: Solve for x
    x = 69,497,807,574.16/255,993.60
  6. Step 6: Final answer
    x = 271,482.60

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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.