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Finding the Fourth Proportional to 286,483.85, 395,324.57 and 165,632.92

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Solution

The fourth proportional to 286,483.85, 395,324.57 and 165,632.92 is: 228,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,483.85 : 395,324.57 = 165,632.92 : x
  2. Step 2: Convert to fraction form
    286,483.85/395,324.57 = 165,632.92/x
  3. Step 3: Cross multiply
    286,483.85x = 395,324.57 × 165,632.92
  4. Step 4: Simplify right side
    286,483.85x = 65,478,763,594.63
  5. Step 5: Solve for x
    x = 65,478,763,594.63/286,483.85
  6. Step 6: Final answer
    x = 228,560.05

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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.