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Finding the Fourth Proportional to 482,830.80, 677,362.80 and 482,830.80

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Solution

The fourth proportional to 482,830.80, 677,362.80 and 482,830.80 is: 677,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,830.80 : 677,362.80 = 482,830.80 : x
  2. Step 2: Convert to fraction form
    482,830.80/677,362.80 = 482,830.80/x
  3. Step 3: Cross multiply
    482,830.80x = 677,362.80 × 482,830.80
  4. Step 4: Simplify right side
    482,830.80x = 327,051,622,614.24
  5. Step 5: Solve for x
    x = 327,051,622,614.24/482,830.80
  6. Step 6: Final answer
    x = 677,362.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.