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Finding the Fourth Proportional to 1,552,584, 2,328,876 and 430,653

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Solution

The fourth proportional to 1,552,584, 2,328,876 and 430,653 is: 645,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,584 : 2,328,876 = 430,653 : x
  2. Step 2: Convert to fraction form
    1,552,584/2,328,876 = 430,653/x
  3. Step 3: Cross multiply
    1,552,584x = 2,328,876 × 430,653
  4. Step 4: Simplify right side
    1,552,584x = 1,002,937,436,028
  5. Step 5: Solve for x
    x = 1,002,937,436,028/1,552,584
  6. Step 6: Final answer
    x = 645,979.50

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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.