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Finding the Fourth Proportional to 504,141.21, 695,565.63 and 300,028.50

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Solution

The fourth proportional to 504,141.21, 695,565.63 and 300,028.50 is: 413,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,141.21 : 695,565.63 = 300,028.50 : x
  2. Step 2: Convert to fraction form
    504,141.21/695,565.63 = 300,028.50/x
  3. Step 3: Cross multiply
    504,141.21x = 695,565.63 × 300,028.50
  4. Step 4: Simplify right side
    504,141.21x = 208,689,512,620.46
  5. Step 5: Solve for x
    x = 208,689,512,620.46/504,141.21
  6. Step 6: Final answer
    x = 413,950.51

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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.