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Finding the Fourth Proportional to 240,653.70, 360,980.55 and 122,555.70

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Solution

The fourth proportional to 240,653.70, 360,980.55 and 122,555.70 is: 183,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,653.70 : 360,980.55 = 122,555.70 : x
  2. Step 2: Convert to fraction form
    240,653.70/360,980.55 = 122,555.70/x
  3. Step 3: Cross multiply
    240,653.70x = 360,980.55 × 122,555.70
  4. Step 4: Simplify right side
    240,653.70x = 44,240,223,991.64
  5. Step 5: Solve for x
    x = 44,240,223,991.64/240,653.70
  6. Step 6: Final answer
    x = 183,833.55

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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.