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Finding the Fourth Proportional to 286,887.21, 395,681.92 and 184,929.27

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Solution

The fourth proportional to 286,887.21, 395,681.92 and 184,929.27 is: 255,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,887.21 : 395,681.92 = 184,929.27 : x
  2. Step 2: Convert to fraction form
    286,887.21/395,681.92 = 184,929.27/x
  3. Step 3: Cross multiply
    286,887.21x = 395,681.92 × 184,929.27
  4. Step 4: Simplify right side
    286,887.21x = 73,173,168,617.80
  5. Step 5: Solve for x
    x = 73,173,168,617.80/286,887.21
  6. Step 6: Final answer
    x = 255,059.01

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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.