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Finding the Fourth Proportional to 458,056.50, 632,119.56 and 254,111.46

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Solution

The fourth proportional to 458,056.50, 632,119.56 and 254,111.46 is: 350,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,056.50 : 632,119.56 = 254,111.46 : x
  2. Step 2: Convert to fraction form
    458,056.50/632,119.56 = 254,111.46/x
  3. Step 3: Cross multiply
    458,056.50x = 632,119.56 × 254,111.46
  4. Step 4: Simplify right side
    458,056.50x = 160,628,824,286.16
  5. Step 5: Solve for x
    x = 160,628,824,286.16/458,056.50
  6. Step 6: Final answer
    x = 350,674.70

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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.