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Finding the Fourth Proportional to 504,923.50, 696,855.68 and 368,889.37

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Solution

The fourth proportional to 504,923.50, 696,855.68 and 368,889.37 is: 509,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,923.50 : 696,855.68 = 368,889.37 : x
  2. Step 2: Convert to fraction form
    504,923.50/696,855.68 = 368,889.37/x
  3. Step 3: Cross multiply
    504,923.50x = 696,855.68 × 368,889.37
  4. Step 4: Simplify right side
    504,923.50x = 257,062,649,291.84
  5. Step 5: Solve for x
    x = 257,062,649,291.84/504,923.50
  6. Step 6: Final answer
    x = 509,112.07

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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.