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Finding the Fourth Proportional to 609,973.44, 912,972.96 and 551,774.40

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Solution

The fourth proportional to 609,973.44, 912,972.96 and 551,774.40 is: 825,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,973.44 : 912,972.96 = 551,774.40 : x
  2. Step 2: Convert to fraction form
    609,973.44/912,972.96 = 551,774.40/x
  3. Step 3: Cross multiply
    609,973.44x = 912,972.96 × 551,774.40
  4. Step 4: Simplify right side
    609,973.44x = 503,755,107,220.22
  5. Step 5: Solve for x
    x = 503,755,107,220.22/609,973.44
  6. Step 6: Final answer
    x = 825,864.00

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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.