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Finding the Fourth Proportional to 468,490.48, 701,602.80 and 268,203.40

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Solution

The fourth proportional to 468,490.48, 701,602.80 and 268,203.40 is: 401,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,490.48 : 701,602.80 = 268,203.40 : x
  2. Step 2: Convert to fraction form
    468,490.48/701,602.80 = 268,203.40/x
  3. Step 3: Cross multiply
    468,490.48x = 701,602.80 × 268,203.40
  4. Step 4: Simplify right side
    468,490.48x = 188,172,256,409.52
  5. Step 5: Solve for x
    x = 188,172,256,409.52/468,490.48
  6. Step 6: Final answer
    x = 401,656.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.