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Finding the Fourth Proportional to 707,481.70, 974,465.04 and 543,825.16

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Solution

The fourth proportional to 707,481.70, 974,465.04 and 543,825.16 is: 749,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,481.70 : 974,465.04 = 543,825.16 : x
  2. Step 2: Convert to fraction form
    707,481.70/974,465.04 = 543,825.16/x
  3. Step 3: Cross multiply
    707,481.70x = 974,465.04 × 543,825.16
  4. Step 4: Simplify right side
    707,481.70x = 529,938,606,292.41
  5. Step 5: Solve for x
    x = 529,938,606,292.41/707,481.70
  6. Step 6: Final answer
    x = 749,049.21

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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.