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Finding the Fourth Proportional to 492,446.30, 738,669.45 and 433,397.30

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Solution

The fourth proportional to 492,446.30, 738,669.45 and 433,397.30 is: 650,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,446.30 : 738,669.45 = 433,397.30 : x
  2. Step 2: Convert to fraction form
    492,446.30/738,669.45 = 433,397.30/x
  3. Step 3: Cross multiply
    492,446.30x = 738,669.45 × 433,397.30
  4. Step 4: Simplify right side
    492,446.30x = 320,137,345,222.49
  5. Step 5: Solve for x
    x = 320,137,345,222.49/492,446.30
  6. Step 6: Final answer
    x = 650,095.95

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Similar ratio
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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.