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Finding the Fourth Proportional to 366,930.83, 550,368.90 and 153,643.65

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Solution

The fourth proportional to 366,930.83, 550,368.90 and 153,643.65 is: 230,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.83 : 550,368.90 = 153,643.65 : x
  2. Step 2: Convert to fraction form
    366,930.83/550,368.90 = 153,643.65/x
  3. Step 3: Cross multiply
    366,930.83x = 550,368.90 × 153,643.65
  4. Step 4: Simplify right side
    366,930.83x = 84,560,686,642.49
  5. Step 5: Solve for x
    x = 84,560,686,642.49/366,930.83
  6. Step 6: Final answer
    x = 230,454.03

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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.