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Finding the Fourth Proportional to 488,813.40, 733,438.80 and 222,436.80

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Solution

The fourth proportional to 488,813.40, 733,438.80 and 222,436.80 is: 333,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,813.40 : 733,438.80 = 222,436.80 : x
  2. Step 2: Convert to fraction form
    488,813.40/733,438.80 = 222,436.80/x
  3. Step 3: Cross multiply
    488,813.40x = 733,438.80 × 222,436.80
  4. Step 4: Simplify right side
    488,813.40x = 163,143,779,667.84
  5. Step 5: Solve for x
    x = 163,143,779,667.84/488,813.40
  6. Step 6: Final answer
    x = 333,754.72

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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.