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Finding the Fourth Proportional to 277,602.60, 416,341.56 and 127,698.90

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Solution

The fourth proportional to 277,602.60, 416,341.56 and 127,698.90 is: 191,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,602.60 : 416,341.56 = 127,698.90 : x
  2. Step 2: Convert to fraction form
    277,602.60/416,341.56 = 127,698.90/x
  3. Step 3: Cross multiply
    277,602.60x = 416,341.56 × 127,698.90
  4. Step 4: Simplify right side
    277,602.60x = 53,166,359,236.28
  5. Step 5: Solve for x
    x = 53,166,359,236.28/277,602.60
  6. Step 6: Final answer
    x = 191,519.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.