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Finding the Fourth Proportional to 922,596, 1,273,182.48 and 498,660

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Solution

The fourth proportional to 922,596, 1,273,182.48 and 498,660 is: 688,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,596 : 1,273,182.48 = 498,660 : x
  2. Step 2: Convert to fraction form
    922,596/1,273,182.48 = 498,660/x
  3. Step 3: Cross multiply
    922,596x = 1,273,182.48 × 498,660
  4. Step 4: Simplify right side
    922,596x = 634,885,175,476.80
  5. Step 5: Solve for x
    x = 634,885,175,476.80/922,596
  6. Step 6: Final answer
    x = 688,150.80

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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.