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Finding the Fourth Proportional to 609,841.44, 912,774.96 and 551,642.40

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Solution

The fourth proportional to 609,841.44, 912,774.96 and 551,642.40 is: 825,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,841.44 : 912,774.96 = 551,642.40 : x
  2. Step 2: Convert to fraction form
    609,841.44/912,774.96 = 551,642.40/x
  3. Step 3: Cross multiply
    609,841.44x = 912,774.96 × 551,642.40
  4. Step 4: Simplify right side
    609,841.44x = 503,525,369,594.30
  5. Step 5: Solve for x
    x = 503,525,369,594.30/609,841.44
  6. Step 6: Final answer
    x = 825,666.04

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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.