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Finding the Fourth Proportional to 336,409.67, 504,623.78 and 108,715.02

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Solution

The fourth proportional to 336,409.67, 504,623.78 and 108,715.02 is: 163,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,409.67 : 504,623.78 = 108,715.02 : x
  2. Step 2: Convert to fraction form
    336,409.67/504,623.78 = 108,715.02/x
  3. Step 3: Cross multiply
    336,409.67x = 504,623.78 × 108,715.02
  4. Step 4: Simplify right side
    336,409.67x = 54,860,184,335.18
  5. Step 5: Solve for x
    x = 54,860,184,335.18/336,409.67
  6. Step 6: Final answer
    x = 163,075.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.