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Finding the Fourth Proportional to 551,014.60, 824,945.10 and 339,226.60

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Solution

The fourth proportional to 551,014.60, 824,945.10 and 339,226.60 is: 507,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,014.60 : 824,945.10 = 339,226.60 : x
  2. Step 2: Convert to fraction form
    551,014.60/824,945.10 = 339,226.60/x
  3. Step 3: Cross multiply
    551,014.60x = 824,945.10 × 339,226.60
  4. Step 4: Simplify right side
    551,014.60x = 279,843,321,459.66
  5. Step 5: Solve for x
    x = 279,843,321,459.66/551,014.60
  6. Step 6: Final answer
    x = 507,869.16

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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.