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Finding the Fourth Proportional to 496,116.30, 744,271.65 and 211,806.30

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Solution

The fourth proportional to 496,116.30, 744,271.65 and 211,806.30 is: 317,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,116.30 : 744,271.65 = 211,806.30 : x
  2. Step 2: Convert to fraction form
    496,116.30/744,271.65 = 211,806.30/x
  3. Step 3: Cross multiply
    496,116.30x = 744,271.65 × 211,806.30
  4. Step 4: Simplify right side
    496,116.30x = 157,641,424,381.40
  5. Step 5: Solve for x
    x = 157,641,424,381.40/496,116.30
  6. Step 6: Final answer
    x = 317,750.95

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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.