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Finding the Fourth Proportional to 260,225.82, 358,913.52 and 223,988.94

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Solution

The fourth proportional to 260,225.82, 358,913.52 and 223,988.94 is: 308,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,225.82 : 358,913.52 = 223,988.94 : x
  2. Step 2: Convert to fraction form
    260,225.82/358,913.52 = 223,988.94/x
  3. Step 3: Cross multiply
    260,225.82x = 358,913.52 × 223,988.94
  4. Step 4: Simplify right side
    260,225.82x = 80,392,658,896.47
  5. Step 5: Solve for x
    x = 80,392,658,896.47/260,225.82
  6. Step 6: Final answer
    x = 308,934.21

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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.