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Finding the Fourth Proportional to 417,967.93, 576,440.44 and 281,980.27

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Solution

The fourth proportional to 417,967.93, 576,440.44 and 281,980.27 is: 388,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,967.93 : 576,440.44 = 281,980.27 : x
  2. Step 2: Convert to fraction form
    417,967.93/576,440.44 = 281,980.27/x
  3. Step 3: Cross multiply
    417,967.93x = 576,440.44 × 281,980.27
  4. Step 4: Simplify right side
    417,967.93x = 162,544,830,910.12
  5. Step 5: Solve for x
    x = 162,544,830,910.12/417,967.93
  6. Step 6: Final answer
    x = 388,893.07

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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.