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Finding the Fourth Proportional to 527,993.84, 792,384.40 and 212,453.44

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Solution

The fourth proportional to 527,993.84, 792,384.40 and 212,453.44 is: 318,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,993.84 : 792,384.40 = 212,453.44 : x
  2. Step 2: Convert to fraction form
    527,993.84/792,384.40 = 212,453.44/x
  3. Step 3: Cross multiply
    527,993.84x = 792,384.40 × 212,453.44
  4. Step 4: Simplify right side
    527,993.84x = 168,344,791,582.34
  5. Step 5: Solve for x
    x = 168,344,791,582.34/527,993.84
  6. Step 6: Final answer
    x = 318,838.55

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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.