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Finding the Fourth Proportional to 504,300.21, 695,925.18 and 274,859.61

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Solution

The fourth proportional to 504,300.21, 695,925.18 and 274,859.61 is: 379,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,300.21 : 695,925.18 = 274,859.61 : x
  2. Step 2: Convert to fraction form
    504,300.21/695,925.18 = 274,859.61/x
  3. Step 3: Cross multiply
    504,300.21x = 695,925.18 × 274,859.61
  4. Step 4: Simplify right side
    504,300.21x = 191,281,723,563.98
  5. Step 5: Solve for x
    x = 191,281,723,563.98/504,300.21
  6. Step 6: Final answer
    x = 379,301.30

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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.