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Finding the Fourth Proportional to 608,699.64, 912,554.66 and 253,977.96

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Solution

The fourth proportional to 608,699.64, 912,554.66 and 253,977.96 is: 380,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,699.64 : 912,554.66 = 253,977.96 : x
  2. Step 2: Convert to fraction form
    608,699.64/912,554.66 = 253,977.96/x
  3. Step 3: Cross multiply
    608,699.64x = 912,554.66 × 253,977.96
  4. Step 4: Simplify right side
    608,699.64x = 231,768,770,935.29
  5. Step 5: Solve for x
    x = 231,768,770,935.29/608,699.64
  6. Step 6: Final answer
    x = 380,760.49

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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.