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Finding the Fourth Proportional to 989,558, 1,365,592.68 and 536,849

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Solution

The fourth proportional to 989,558, 1,365,592.68 and 536,849 is: 740,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,558 : 1,365,592.68 = 536,849 : x
  2. Step 2: Convert to fraction form
    989,558/1,365,592.68 = 536,849/x
  3. Step 3: Cross multiply
    989,558x = 1,365,592.68 × 536,849
  4. Step 4: Simplify right side
    989,558x = 733,117,064,665.32
  5. Step 5: Solve for x
    x = 733,117,064,665.32/989,558
  6. Step 6: Final answer
    x = 740,853.05

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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.