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Finding the Fourth Proportional to 575,316.69, 862,376.31 and 322,226.10

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Solution

The fourth proportional to 575,316.69, 862,376.31 and 322,226.10 is: 483,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,316.69 : 862,376.31 = 322,226.10 : x
  2. Step 2: Convert to fraction form
    575,316.69/862,376.31 = 322,226.10/x
  3. Step 3: Cross multiply
    575,316.69x = 862,376.31 × 322,226.10
  4. Step 4: Simplify right side
    575,316.69x = 277,880,155,103.69
  5. Step 5: Solve for x
    x = 277,880,155,103.69/575,316.69
  6. Step 6: Final answer
    x = 483,003.81

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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.