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Finding the Fourth Proportional to 698,267.66, 963,650.66 and 525,881.57

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Solution

The fourth proportional to 698,267.66, 963,650.66 and 525,881.57 is: 725,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,267.66 : 963,650.66 = 525,881.57 : x
  2. Step 2: Convert to fraction form
    698,267.66/963,650.66 = 525,881.57/x
  3. Step 3: Cross multiply
    698,267.66x = 963,650.66 × 525,881.57
  4. Step 4: Simplify right side
    698,267.66x = 506,766,114,564.68
  5. Step 5: Solve for x
    x = 506,766,114,564.68/698,267.66
  6. Step 6: Final answer
    x = 725,747.66

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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.