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Finding the Fourth Proportional to 503,191, 694,403.58 and 276,831.64

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Solution

The fourth proportional to 503,191, 694,403.58 and 276,831.64 is: 382,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,191 : 694,403.58 = 276,831.64 : x
  2. Step 2: Convert to fraction form
    503,191/694,403.58 = 276,831.64/x
  3. Step 3: Cross multiply
    503,191x = 694,403.58 × 276,831.64
  4. Step 4: Simplify right side
    503,191x = 192,232,881,873.27
  5. Step 5: Solve for x
    x = 192,232,881,873.27/503,191
  6. Step 6: Final answer
    x = 382,027.66

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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.