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Finding the Fourth Proportional to 617,957.68, 926,187.99 and 262,224.40

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Solution

The fourth proportional to 617,957.68, 926,187.99 and 262,224.40 is: 393,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,957.68 : 926,187.99 = 262,224.40 : x
  2. Step 2: Convert to fraction form
    617,957.68/926,187.99 = 262,224.40/x
  3. Step 3: Cross multiply
    617,957.68x = 926,187.99 × 262,224.40
  4. Step 4: Simplify right side
    617,957.68x = 242,869,089,964.96
  5. Step 5: Solve for x
    x = 242,869,089,964.96/617,957.68
  6. Step 6: Final answer
    x = 393,018.97

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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.