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Finding the Fourth Proportional to 554,270.87, 764,900.82 and 336,416.51

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Solution

The fourth proportional to 554,270.87, 764,900.82 and 336,416.51 is: 464,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,270.87 : 764,900.82 = 336,416.51 : x
  2. Step 2: Convert to fraction form
    554,270.87/764,900.82 = 336,416.51/x
  3. Step 3: Cross multiply
    554,270.87x = 764,900.82 × 336,416.51
  4. Step 4: Simplify right side
    554,270.87x = 257,325,260,536.03
  5. Step 5: Solve for x
    x = 257,325,260,536.03/554,270.87
  6. Step 6: Final answer
    x = 464,259.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.