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Finding the Fourth Proportional to 253,433.48, 349,786.76 and 181,032.88

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Solution

The fourth proportional to 253,433.48, 349,786.76 and 181,032.88 is: 249,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,433.48 : 349,786.76 = 181,032.88 : x
  2. Step 2: Convert to fraction form
    253,433.48/349,786.76 = 181,032.88/x
  3. Step 3: Cross multiply
    253,433.48x = 349,786.76 × 181,032.88
  4. Step 4: Simplify right side
    253,433.48x = 63,322,904,548.67
  5. Step 5: Solve for x
    x = 63,322,904,548.67/253,433.48
  6. Step 6: Final answer
    x = 249,860.06

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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.