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Finding the Fourth Proportional to 286,653.60, 395,471.68 and 184,671.36

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Solution

The fourth proportional to 286,653.60, 395,471.68 and 184,671.36 is: 254,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,653.60 : 395,471.68 = 184,671.36 : x
  2. Step 2: Convert to fraction form
    286,653.60/395,471.68 = 184,671.36/x
  3. Step 3: Cross multiply
    286,653.60x = 395,471.68 × 184,671.36
  4. Step 4: Simplify right side
    286,653.60x = 73,032,292,987.08
  5. Step 5: Solve for x
    x = 73,032,292,987.08/286,653.60
  6. Step 6: Final answer
    x = 254,775.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.