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Finding the Fourth Proportional to 326,261.88, 450,262.08 and 183,031.20

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Solution

The fourth proportional to 326,261.88, 450,262.08 and 183,031.20 is: 252,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,261.88 : 450,262.08 = 183,031.20 : x
  2. Step 2: Convert to fraction form
    326,261.88/450,262.08 = 183,031.20/x
  3. Step 3: Cross multiply
    326,261.88x = 450,262.08 × 183,031.20
  4. Step 4: Simplify right side
    326,261.88x = 82,412,008,816.90
  5. Step 5: Solve for x
    x = 82,412,008,816.90/326,261.88
  6. Step 6: Final answer
    x = 252,594.66

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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.