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Finding the Fourth Proportional to 268,219.60, 370,520.86 and 254,047.84

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Solution

The fourth proportional to 268,219.60, 370,520.86 and 254,047.84 is: 350,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,219.60 : 370,520.86 = 254,047.84 : x
  2. Step 2: Convert to fraction form
    268,219.60/370,520.86 = 254,047.84/x
  3. Step 3: Cross multiply
    268,219.60x = 370,520.86 × 254,047.84
  4. Step 4: Simplify right side
    268,219.60x = 94,130,024,442.53
  5. Step 5: Solve for x
    x = 94,130,024,442.53/268,219.60
  6. Step 6: Final answer
    x = 350,943.87

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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.