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Finding the Fourth Proportional to 698,066.11, 963,372.38 and 525,679.93

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Solution

The fourth proportional to 698,066.11, 963,372.38 and 525,679.93 is: 725,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,066.11 : 963,372.38 = 525,679.93 : x
  2. Step 2: Convert to fraction form
    698,066.11/963,372.38 = 525,679.93/x
  3. Step 3: Cross multiply
    698,066.11x = 963,372.38 × 525,679.93
  4. Step 4: Simplify right side
    698,066.11x = 506,425,522,653.93
  5. Step 5: Solve for x
    x = 506,425,522,653.93/698,066.11
  6. Step 6: Final answer
    x = 725,469.29

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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.