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Finding the Fourth Proportional to 505,094.76, 697,020.57 and 275,656.59

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Solution

The fourth proportional to 505,094.76, 697,020.57 and 275,656.59 is: 380,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,094.76 : 697,020.57 = 275,656.59 : x
  2. Step 2: Convert to fraction form
    505,094.76/697,020.57 = 275,656.59/x
  3. Step 3: Cross multiply
    505,094.76x = 697,020.57 × 275,656.59
  4. Step 4: Simplify right side
    505,094.76x = 192,138,313,486.06
  5. Step 5: Solve for x
    x = 192,138,313,486.06/505,094.76
  6. Step 6: Final answer
    x = 380,400.53

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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.