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Finding the Fourth Proportional to 489,080.70, 733,621.05 and 489,080.70

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Solution

The fourth proportional to 489,080.70, 733,621.05 and 489,080.70 is: 733,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,080.70 : 733,621.05 = 489,080.70 : x
  2. Step 2: Convert to fraction form
    489,080.70/733,621.05 = 489,080.70/x
  3. Step 3: Cross multiply
    489,080.70x = 733,621.05 × 489,080.70
  4. Step 4: Simplify right side
    489,080.70x = 358,799,896,668.74
  5. Step 5: Solve for x
    x = 358,799,896,668.74/489,080.70
  6. Step 6: Final answer
    x = 733,621.05

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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.