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Finding the Fourth Proportional to 441,030.80, 661,027.80 and 230,560.40

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Solution

The fourth proportional to 441,030.80, 661,027.80 and 230,560.40 is: 345,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,030.80 : 661,027.80 = 230,560.40 : x
  2. Step 2: Convert to fraction form
    441,030.80/661,027.80 = 230,560.40/x
  3. Step 3: Cross multiply
    441,030.80x = 661,027.80 × 230,560.40
  4. Step 4: Simplify right side
    441,030.80x = 152,406,833,979.12
  5. Step 5: Solve for x
    x = 152,406,833,979.12/441,030.80
  6. Step 6: Final answer
    x = 345,569.59

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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.