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Finding the Fourth Proportional to 362,674.63, 500,554.80 and 209,688.52

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Solution

The fourth proportional to 362,674.63, 500,554.80 and 209,688.52 is: 289,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,674.63 : 500,554.80 = 209,688.52 : x
  2. Step 2: Convert to fraction form
    362,674.63/500,554.80 = 209,688.52/x
  3. Step 3: Cross multiply
    362,674.63x = 500,554.80 × 209,688.52
  4. Step 4: Simplify right side
    362,674.63x = 104,960,595,190.90
  5. Step 5: Solve for x
    x = 104,960,595,190.90/362,674.63
  6. Step 6: Final answer
    x = 289,407.05

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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.