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Finding the Fourth Proportional to 349,972, 483,110.64 and 235,317.10

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Solution

The fourth proportional to 349,972, 483,110.64 and 235,317.10 is: 324,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,972 : 483,110.64 = 235,317.10 : x
  2. Step 2: Convert to fraction form
    349,972/483,110.64 = 235,317.10/x
  3. Step 3: Cross multiply
    349,972x = 483,110.64 × 235,317.10
  4. Step 4: Simplify right side
    349,972x = 113,684,194,783.94
  5. Step 5: Solve for x
    x = 113,684,194,783.94/349,972
  6. Step 6: Final answer
    x = 324,837.97

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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.