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Finding the Fourth Proportional to 216,245.87, 295,825.88 and 215,335.07

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Solution

The fourth proportional to 216,245.87, 295,825.88 and 215,335.07 is: 294,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,245.87 : 295,825.88 = 215,335.07 : x
  2. Step 2: Convert to fraction form
    216,245.87/295,825.88 = 215,335.07/x
  3. Step 3: Cross multiply
    216,245.87x = 295,825.88 × 215,335.07
  4. Step 4: Simplify right side
    216,245.87x = 63,701,685,636.82
  5. Step 5: Solve for x
    x = 63,701,685,636.82/216,245.87
  6. Step 6: Final answer
    x = 294,579.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.