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Finding the Fourth Proportional to 662,334.84, 988,412.31 and 591,472.44

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Solution

The fourth proportional to 662,334.84, 988,412.31 and 591,472.44 is: 882,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,334.84 : 988,412.31 = 591,472.44 : x
  2. Step 2: Convert to fraction form
    662,334.84/988,412.31 = 591,472.44/x
  3. Step 3: Cross multiply
    662,334.84x = 988,412.31 × 591,472.44
  4. Step 4: Simplify right side
    662,334.84x = 584,618,640,721.74
  5. Step 5: Solve for x
    x = 584,618,640,721.74/662,334.84
  6. Step 6: Final answer
    x = 882,663.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.