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Finding the Fourth Proportional to 510,263.96, 765,396 and 362,290.88

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Solution

The fourth proportional to 510,263.96, 765,396 and 362,290.88 is: 543,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,263.96 : 765,396 = 362,290.88 : x
  2. Step 2: Convert to fraction form
    510,263.96/765,396 = 362,290.88/x
  3. Step 3: Cross multiply
    510,263.96x = 765,396 × 362,290.88
  4. Step 4: Simplify right side
    510,263.96x = 277,295,990,388.48
  5. Step 5: Solve for x
    x = 277,295,990,388.48/510,263.96
  6. Step 6: Final answer
    x = 543,436.36

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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.