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Finding the Fourth Proportional to 698,331.48, 963,622.62 and 468,842.28

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Solution

The fourth proportional to 698,331.48, 963,622.62 and 468,842.28 is: 646,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,331.48 : 963,622.62 = 468,842.28 : x
  2. Step 2: Convert to fraction form
    698,331.48/963,622.62 = 468,842.28/x
  3. Step 3: Cross multiply
    698,331.48x = 963,622.62 × 468,842.28
  4. Step 4: Simplify right side
    698,331.48x = 451,787,026,220.37
  5. Step 5: Solve for x
    x = 451,787,026,220.37/698,331.48
  6. Step 6: Final answer
    x = 646,952.11

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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.