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Finding the Fourth Proportional to 562,914.37, 776,815.99 and 304,786.87

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Solution

The fourth proportional to 562,914.37, 776,815.99 and 304,786.87 is: 420,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,914.37 : 776,815.99 = 304,786.87 : x
  2. Step 2: Convert to fraction form
    562,914.37/776,815.99 = 304,786.87/x
  3. Step 3: Cross multiply
    562,914.37x = 776,815.99 × 304,786.87
  4. Step 4: Simplify right side
    562,914.37x = 236,763,314,158.05
  5. Step 5: Solve for x
    x = 236,763,314,158.05/562,914.37
  6. Step 6: Final answer
    x = 420,602.72

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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.