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Finding the Fourth Proportional to 703,293.60, 1,054,940.40 and 230,026.80

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Solution

The fourth proportional to 703,293.60, 1,054,940.40 and 230,026.80 is: 345,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,293.60 : 1,054,940.40 = 230,026.80 : x
  2. Step 2: Convert to fraction form
    703,293.60/1,054,940.40 = 230,026.80/x
  3. Step 3: Cross multiply
    703,293.60x = 1,054,940.40 × 230,026.80
  4. Step 4: Simplify right side
    703,293.60x = 242,664,564,402.72
  5. Step 5: Solve for x
    x = 242,664,564,402.72/703,293.60
  6. Step 6: Final answer
    x = 345,040.20

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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.