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Finding the Fourth Proportional to 504,762.44, 696,540.67 and 278,412.80

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Solution

The fourth proportional to 504,762.44, 696,540.67 and 278,412.80 is: 384,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,762.44 : 696,540.67 = 278,412.80 : x
  2. Step 2: Convert to fraction form
    504,762.44/696,540.67 = 278,412.80/x
  3. Step 3: Cross multiply
    504,762.44x = 696,540.67 × 278,412.80
  4. Step 4: Simplify right side
    504,762.44x = 193,925,834,069.84
  5. Step 5: Solve for x
    x = 193,925,834,069.84/504,762.44
  6. Step 6: Final answer
    x = 384,192.29

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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.