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Finding the Fourth Proportional to 505,998.90, 759,083.40 and 151,048.80

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Solution

The fourth proportional to 505,998.90, 759,083.40 and 151,048.80 is: 226,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,998.90 : 759,083.40 = 151,048.80 : x
  2. Step 2: Convert to fraction form
    505,998.90/759,083.40 = 151,048.80/x
  3. Step 3: Cross multiply
    505,998.90x = 759,083.40 × 151,048.80
  4. Step 4: Simplify right side
    505,998.90x = 114,658,636,669.92
  5. Step 5: Solve for x
    x = 114,658,636,669.92/505,998.90
  6. Step 6: Final answer
    x = 226,598.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.