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Finding the Fourth Proportional to 260,029.85, 389,785.58 and 119,543.45

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Solution

The fourth proportional to 260,029.85, 389,785.58 and 119,543.45 is: 179,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,029.85 : 389,785.58 = 119,543.45 : x
  2. Step 2: Convert to fraction form
    260,029.85/389,785.58 = 119,543.45/x
  3. Step 3: Cross multiply
    260,029.85x = 389,785.58 × 119,543.45
  4. Step 4: Simplify right side
    260,029.85x = 46,596,312,395.73
  5. Step 5: Solve for x
    x = 46,596,312,395.73/260,029.85
  6. Step 6: Final answer
    x = 179,196.01

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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.