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Finding the Fourth Proportional to 260,023.37, 358,825.37 and 145,302.95

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Solution

The fourth proportional to 260,023.37, 358,825.37 and 145,302.95 is: 200,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,023.37 : 358,825.37 = 145,302.95 : x
  2. Step 2: Convert to fraction form
    260,023.37/358,825.37 = 145,302.95/x
  3. Step 3: Cross multiply
    260,023.37x = 358,825.37 × 145,302.95
  4. Step 4: Simplify right side
    260,023.37x = 52,138,384,966.39
  5. Step 5: Solve for x
    x = 52,138,384,966.39/260,023.37
  6. Step 6: Final answer
    x = 200,514.23

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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.