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Finding the Fourth Proportional to 233,415.60, 350,123.40 and 212,748.45

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Solution

The fourth proportional to 233,415.60, 350,123.40 and 212,748.45 is: 319,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,415.60 : 350,123.40 = 212,748.45 : x
  2. Step 2: Convert to fraction form
    233,415.60/350,123.40 = 212,748.45/x
  3. Step 3: Cross multiply
    233,415.60x = 350,123.40 × 212,748.45
  4. Step 4: Simplify right side
    233,415.60x = 74,488,210,658.73
  5. Step 5: Solve for x
    x = 74,488,210,658.73/233,415.60
  6. Step 6: Final answer
    x = 319,122.68

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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.