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Finding the Fourth Proportional to 433,343.12, 597,992.02 and 239,743.40

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Solution

The fourth proportional to 433,343.12, 597,992.02 and 239,743.40 is: 330,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,343.12 : 597,992.02 = 239,743.40 : x
  2. Step 2: Convert to fraction form
    433,343.12/597,992.02 = 239,743.40/x
  3. Step 3: Cross multiply
    433,343.12x = 597,992.02 × 239,743.40
  4. Step 4: Simplify right side
    433,343.12x = 143,364,636,458.35
  5. Step 5: Solve for x
    x = 143,364,636,458.35/433,343.12
  6. Step 6: Final answer
    x = 330,834.00

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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.