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Finding the Fourth Proportional to 617,562.18, 926,213.40 and 174,226.50

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Solution

The fourth proportional to 617,562.18, 926,213.40 and 174,226.50 is: 261,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,562.18 : 926,213.40 = 174,226.50 : x
  2. Step 2: Convert to fraction form
    617,562.18/926,213.40 = 174,226.50/x
  3. Step 3: Cross multiply
    617,562.18x = 926,213.40 × 174,226.50
  4. Step 4: Simplify right side
    617,562.18x = 161,370,918,935.10
  5. Step 5: Solve for x
    x = 161,370,918,935.10/617,562.18
  6. Step 6: Final answer
    x = 261,303.11

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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.