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Finding the Fourth Proportional to 963,376.80, 1,444,627.80 and 364,138.80

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Solution

The fourth proportional to 963,376.80, 1,444,627.80 and 364,138.80 is: 546,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,376.80 : 1,444,627.80 = 364,138.80 : x
  2. Step 2: Convert to fraction form
    963,376.80/1,444,627.80 = 364,138.80/x
  3. Step 3: Cross multiply
    963,376.80x = 1,444,627.80 × 364,138.80
  4. Step 4: Simplify right side
    963,376.80x = 526,045,033,538.64
  5. Step 5: Solve for x
    x = 526,045,033,538.64/963,376.80
  6. Step 6: Final answer
    x = 546,042.87

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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.