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Finding the Fourth Proportional to 233,487.60, 350,231.40 and 212,820.45

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Solution

The fourth proportional to 233,487.60, 350,231.40 and 212,820.45 is: 319,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,487.60 : 350,231.40 = 212,820.45 : x
  2. Step 2: Convert to fraction form
    233,487.60/350,231.40 = 212,820.45/x
  3. Step 3: Cross multiply
    233,487.60x = 350,231.40 × 212,820.45
  4. Step 4: Simplify right side
    233,487.60x = 74,536,404,152.13
  5. Step 5: Solve for x
    x = 74,536,404,152.13/233,487.60
  6. Step 6: Final answer
    x = 319,230.68

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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.