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Finding the Fourth Proportional to 301,751.15, 416,423.54 and 165,793.58

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Solution

The fourth proportional to 301,751.15, 416,423.54 and 165,793.58 is: 228,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,751.15 : 416,423.54 = 165,793.58 : x
  2. Step 2: Convert to fraction form
    301,751.15/416,423.54 = 165,793.58/x
  3. Step 3: Cross multiply
    301,751.15x = 416,423.54 × 165,793.58
  4. Step 4: Simplify right side
    301,751.15x = 69,040,349,492.87
  5. Step 5: Solve for x
    x = 69,040,349,492.87/301,751.15
  6. Step 6: Final answer
    x = 228,798.96

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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.