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Finding the Fourth Proportional to 608,602.43, 912,986.67 and 253,533.35

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Solution

The fourth proportional to 608,602.43, 912,986.67 and 253,533.35 is: 380,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,602.43 : 912,986.67 = 253,533.35 : x
  2. Step 2: Convert to fraction form
    608,602.43/912,986.67 = 253,533.35/x
  3. Step 3: Cross multiply
    608,602.43x = 912,986.67 × 253,533.35
  4. Step 4: Simplify right side
    608,602.43x = 231,472,568,950.45
  5. Step 5: Solve for x
    x = 231,472,568,950.45/608,602.43
  6. Step 6: Final answer
    x = 380,334.61

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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.