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Finding the Fourth Proportional to 510,511.45, 765,594.84 and 190,597.09

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Solution

The fourth proportional to 510,511.45, 765,594.84 and 190,597.09 is: 285,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,511.45 : 765,594.84 = 190,597.09 : x
  2. Step 2: Convert to fraction form
    510,511.45/765,594.84 = 190,597.09/x
  3. Step 3: Cross multiply
    510,511.45x = 765,594.84 × 190,597.09
  4. Step 4: Simplify right side
    510,511.45x = 145,920,144,795.04
  5. Step 5: Solve for x
    x = 145,920,144,795.04/510,511.45
  6. Step 6: Final answer
    x = 285,831.29

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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.