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Finding the Fourth Proportional to 608,652.66, 912,385.66 and 253,768.17

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Solution

The fourth proportional to 608,652.66, 912,385.66 and 253,768.17 is: 380,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,652.66 : 912,385.66 = 253,768.17 : x
  2. Step 2: Convert to fraction form
    608,652.66/912,385.66 = 253,768.17/x
  3. Step 3: Cross multiply
    608,652.66x = 912,385.66 × 253,768.17
  4. Step 4: Simplify right side
    608,652.66x = 231,534,435,216.58
  5. Step 5: Solve for x
    x = 231,534,435,216.58/608,652.66
  6. Step 6: Final answer
    x = 380,404.87

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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.