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Finding the Fourth Proportional to 693,799.63, 957,603.47 and 451,660.46

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Solution

The fourth proportional to 693,799.63, 957,603.47 and 451,660.46 is: 623,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,799.63 : 957,603.47 = 451,660.46 : x
  2. Step 2: Convert to fraction form
    693,799.63/957,603.47 = 451,660.46/x
  3. Step 3: Cross multiply
    693,799.63x = 957,603.47 × 451,660.46
  4. Step 4: Simplify right side
    693,799.63x = 432,511,616,711.48
  5. Step 5: Solve for x
    x = 432,511,616,711.48/693,799.63
  6. Step 6: Final answer
    x = 623,395.57

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1.5x scale

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.