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Finding the Fourth Proportional to 260,661.80, 359,798.82 and 153,226.64

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Solution

The fourth proportional to 260,661.80, 359,798.82 and 153,226.64 is: 211,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,661.80 : 359,798.82 = 153,226.64 : x
  2. Step 2: Convert to fraction form
    260,661.80/359,798.82 = 153,226.64/x
  3. Step 3: Cross multiply
    260,661.80x = 359,798.82 × 153,226.64
  4. Step 4: Simplify right side
    260,661.80x = 55,130,764,264.56
  5. Step 5: Solve for x
    x = 55,130,764,264.56/260,661.80
  6. Step 6: Final answer
    x = 211,503.04

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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.