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Finding the Fourth Proportional to 233,247.40, 349,871.10 and 213,893.80

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Solution

The fourth proportional to 233,247.40, 349,871.10 and 213,893.80 is: 320,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,247.40 : 349,871.10 = 213,893.80 : x
  2. Step 2: Convert to fraction form
    233,247.40/349,871.10 = 213,893.80/x
  3. Step 3: Cross multiply
    233,247.40x = 349,871.10 × 213,893.80
  4. Step 4: Simplify right side
    233,247.40x = 74,835,259,089.18
  5. Step 5: Solve for x
    x = 74,835,259,089.18/233,247.40
  6. Step 6: Final answer
    x = 320,840.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.