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Finding the Fourth Proportional to 235,497.84, 354,817.15 and 213,034.60

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Solution

The fourth proportional to 235,497.84, 354,817.15 and 213,034.60 is: 320,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,497.84 : 354,817.15 = 213,034.60 : x
  2. Step 2: Convert to fraction form
    235,497.84/354,817.15 = 213,034.60/x
  3. Step 3: Cross multiply
    235,497.84x = 354,817.15 × 213,034.60
  4. Step 4: Simplify right side
    235,497.84x = 75,588,329,623.39
  5. Step 5: Solve for x
    x = 75,588,329,623.39/235,497.84
  6. Step 6: Final answer
    x = 320,972.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.