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Finding the Fourth Proportional to 630,203.52, 945,028.80 and 230,740.80

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Solution

The fourth proportional to 630,203.52, 945,028.80 and 230,740.80 is: 346,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,203.52 : 945,028.80 = 230,740.80 : x
  2. Step 2: Convert to fraction form
    630,203.52/945,028.80 = 230,740.80/x
  3. Step 3: Cross multiply
    630,203.52x = 945,028.80 × 230,740.80
  4. Step 4: Simplify right side
    630,203.52x = 218,056,701,335.04
  5. Step 5: Solve for x
    x = 218,056,701,335.04/630,203.52
  6. Step 6: Final answer
    x = 346,009.97

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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.