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Finding the Fourth Proportional to 930,000, 1,395,012.96 and 265,152

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Solution

The fourth proportional to 930,000, 1,395,012.96 and 265,152 is: 397,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,000 : 1,395,012.96 = 265,152 : x
  2. Step 2: Convert to fraction form
    930,000/1,395,012.96 = 265,152/x
  3. Step 3: Cross multiply
    930,000x = 1,395,012.96 × 265,152
  4. Step 4: Simplify right side
    930,000x = 369,890,476,369.92
  5. Step 5: Solve for x
    x = 369,890,476,369.92/930,000
  6. Step 6: Final answer
    x = 397,731.70

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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.