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Finding the Fourth Proportional to 690,525.82, 952,922.66 and 384,605.82

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Solution

The fourth proportional to 690,525.82, 952,922.66 and 384,605.82 is: 530,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,525.82 : 952,922.66 = 384,605.82 : x
  2. Step 2: Convert to fraction form
    690,525.82/952,922.66 = 384,605.82/x
  3. Step 3: Cross multiply
    690,525.82x = 952,922.66 × 384,605.82
  4. Step 4: Simplify right side
    690,525.82x = 366,499,601,045.88
  5. Step 5: Solve for x
    x = 366,499,601,045.88/690,525.82
  6. Step 6: Final answer
    x = 530,754.38

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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.