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Finding the Fourth Proportional to 707,137.16, 1,060,705.74 and 582,215.72

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Solution

The fourth proportional to 707,137.16, 1,060,705.74 and 582,215.72 is: 873,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,137.16 : 1,060,705.74 = 582,215.72 : x
  2. Step 2: Convert to fraction form
    707,137.16/1,060,705.74 = 582,215.72/x
  3. Step 3: Cross multiply
    707,137.16x = 1,060,705.74 × 582,215.72
  4. Step 4: Simplify right side
    707,137.16x = 617,559,556,122.23
  5. Step 5: Solve for x
    x = 617,559,556,122.23/707,137.16
  6. Step 6: Final answer
    x = 873,323.58

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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.