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Finding the Fourth Proportional to 437,790.76, 604,125.21 and 254,015.14

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Solution

The fourth proportional to 437,790.76, 604,125.21 and 254,015.14 is: 350,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,790.76 : 604,125.21 = 254,015.14 : x
  2. Step 2: Convert to fraction form
    437,790.76/604,125.21 = 254,015.14/x
  3. Step 3: Cross multiply
    437,790.76x = 604,125.21 × 254,015.14
  4. Step 4: Simplify right side
    437,790.76x = 153,456,949,795.68
  5. Step 5: Solve for x
    x = 153,456,949,795.68/437,790.76
  6. Step 6: Final answer
    x = 350,525.78

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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.