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Finding the Fourth Proportional to 366,686.10, 550,029.15 and 322,362.90

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Solution

The fourth proportional to 366,686.10, 550,029.15 and 322,362.90 is: 483,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,686.10 : 550,029.15 = 322,362.90 : x
  2. Step 2: Convert to fraction form
    366,686.10/550,029.15 = 322,362.90/x
  3. Step 3: Cross multiply
    366,686.10x = 550,029.15 × 322,362.90
  4. Step 4: Simplify right side
    366,686.10x = 177,308,991,878.54
  5. Step 5: Solve for x
    x = 177,308,991,878.54/366,686.10
  6. Step 6: Final answer
    x = 483,544.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.