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Finding the Fourth Proportional to 426,993, 589,249.80 and 233,401.92

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Solution

The fourth proportional to 426,993, 589,249.80 and 233,401.92 is: 322,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,993 : 589,249.80 = 233,401.92 : x
  2. Step 2: Convert to fraction form
    426,993/589,249.80 = 233,401.92/x
  3. Step 3: Cross multiply
    426,993x = 589,249.80 × 233,401.92
  4. Step 4: Simplify right side
    426,993x = 137,532,034,679.62
  5. Step 5: Solve for x
    x = 137,532,034,679.62/426,993
  6. Step 6: Final answer
    x = 322,094.35

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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.