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Finding the Fourth Proportional to 713,820.19, 985,069.23 and 441,833.94

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Solution

The fourth proportional to 713,820.19, 985,069.23 and 441,833.94 is: 609,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,820.19 : 985,069.23 = 441,833.94 : x
  2. Step 2: Convert to fraction form
    713,820.19/985,069.23 = 441,833.94/x
  3. Step 3: Cross multiply
    713,820.19x = 985,069.23 × 441,833.94
  4. Step 4: Simplify right side
    713,820.19x = 435,237,019,063.67
  5. Step 5: Solve for x
    x = 435,237,019,063.67/713,820.19
  6. Step 6: Final answer
    x = 609,729.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.