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Finding the Fourth Proportional to 260,225.94, 390,449.61 and 110,498.45

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Solution

The fourth proportional to 260,225.94, 390,449.61 and 110,498.45 is: 165,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,225.94 : 390,449.61 = 110,498.45 : x
  2. Step 2: Convert to fraction form
    260,225.94/390,449.61 = 110,498.45/x
  3. Step 3: Cross multiply
    260,225.94x = 390,449.61 × 110,498.45
  4. Step 4: Simplify right side
    260,225.94x = 43,144,077,684.23
  5. Step 5: Solve for x
    x = 43,144,077,684.23/260,225.94
  6. Step 6: Final answer
    x = 165,794.68

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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.