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Finding the Fourth Proportional to 505,701.37, 758,662.82 and 190,158.27

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Solution

The fourth proportional to 505,701.37, 758,662.82 and 190,158.27 is: 285,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,701.37 : 758,662.82 = 190,158.27 : x
  2. Step 2: Convert to fraction form
    505,701.37/758,662.82 = 190,158.27/x
  3. Step 3: Cross multiply
    505,701.37x = 758,662.82 × 190,158.27
  4. Step 4: Simplify right side
    505,701.37x = 144,266,009,364.52
  5. Step 5: Solve for x
    x = 144,266,009,364.52/505,701.37
  6. Step 6: Final answer
    x = 285,279.06

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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.