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Finding the Fourth Proportional to 318,188.24, 439,101.42 and 174,957.51

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Solution

The fourth proportional to 318,188.24, 439,101.42 and 174,957.51 is: 241,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,188.24 : 439,101.42 = 174,957.51 : x
  2. Step 2: Convert to fraction form
    318,188.24/439,101.42 = 174,957.51/x
  3. Step 3: Cross multiply
    318,188.24x = 439,101.42 × 174,957.51
  4. Step 4: Simplify right side
    318,188.24x = 76,824,088,777.94
  5. Step 5: Solve for x
    x = 76,824,088,777.94/318,188.24
  6. Step 6: Final answer
    x = 241,442.26

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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.