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Finding the Fourth Proportional to 472,093.81, 651,489.54 and 257,233.93

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Solution

The fourth proportional to 472,093.81, 651,489.54 and 257,233.93 is: 354,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,093.81 : 651,489.54 = 257,233.93 : x
  2. Step 2: Convert to fraction form
    472,093.81/651,489.54 = 257,233.93/x
  3. Step 3: Cross multiply
    472,093.81x = 651,489.54 × 257,233.93
  4. Step 4: Simplify right side
    472,093.81x = 167,585,214,728.09
  5. Step 5: Solve for x
    x = 167,585,214,728.09/472,093.81
  6. Step 6: Final answer
    x = 354,982.87

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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.