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Finding the Fourth Proportional to 355,166.93, 490,042.53 and 228,014.75

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Solution

The fourth proportional to 355,166.93, 490,042.53 and 228,014.75 is: 314,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,166.93 : 490,042.53 = 228,014.75 : x
  2. Step 2: Convert to fraction form
    355,166.93/490,042.53 = 228,014.75/x
  3. Step 3: Cross multiply
    355,166.93x = 490,042.53 × 228,014.75
  4. Step 4: Simplify right side
    355,166.93x = 111,736,924,967.32
  5. Step 5: Solve for x
    x = 111,736,924,967.32/355,166.93
  6. Step 6: Final answer
    x = 314,603.97

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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.