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Finding the Fourth Proportional to 513,596.03, 769,763.07 and 288,483.26

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Solution

The fourth proportional to 513,596.03, 769,763.07 and 288,483.26 is: 432,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,596.03 : 769,763.07 = 288,483.26 : x
  2. Step 2: Convert to fraction form
    513,596.03/769,763.07 = 288,483.26/x
  3. Step 3: Cross multiply
    513,596.03x = 769,763.07 × 288,483.26
  4. Step 4: Simplify right side
    513,596.03x = 222,063,756,012.39
  5. Step 5: Solve for x
    x = 222,063,756,012.39/513,596.03
  6. Step 6: Final answer
    x = 432,370.47

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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.