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Finding the Fourth Proportional to 577,011.23, 864,989.52 and 256,994.81

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Solution

The fourth proportional to 577,011.23, 864,989.52 and 256,994.81 is: 385,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,011.23 : 864,989.52 = 256,994.81 : x
  2. Step 2: Convert to fraction form
    577,011.23/864,989.52 = 256,994.81/x
  3. Step 3: Cross multiply
    577,011.23x = 864,989.52 × 256,994.81
  4. Step 4: Simplify right side
    577,011.23x = 222,297,817,344.39
  5. Step 5: Solve for x
    x = 222,297,817,344.39/577,011.23
  6. Step 6: Final answer
    x = 385,257.35

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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.