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Finding the Fourth Proportional to 1,167,003, 1,610,464.32 and 630,459

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Solution

The fourth proportional to 1,167,003, 1,610,464.32 and 630,459 is: 870,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,003 : 1,610,464.32 = 630,459 : x
  2. Step 2: Convert to fraction form
    1,167,003/1,610,464.32 = 630,459/x
  3. Step 3: Cross multiply
    1,167,003x = 1,610,464.32 × 630,459
  4. Step 4: Simplify right side
    1,167,003x = 1,015,331,724,722.88
  5. Step 5: Solve for x
    x = 1,015,331,724,722.88/1,167,003
  6. Step 6: Final answer
    x = 870,033.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.