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Finding the Fourth Proportional to 894,050.40, 1,233,772 and 486,148.80

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Solution

The fourth proportional to 894,050.40, 1,233,772 and 486,148.80 is: 670,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,050.40 : 1,233,772 = 486,148.80 : x
  2. Step 2: Convert to fraction form
    894,050.40/1,233,772 = 486,148.80/x
  3. Step 3: Cross multiply
    894,050.40x = 1,233,772 × 486,148.80
  4. Step 4: Simplify right side
    894,050.40x = 599,796,777,273.60
  5. Step 5: Solve for x
    x = 599,796,777,273.60/894,050.40
  6. Step 6: Final answer
    x = 670,875.80

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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.