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Finding the Fourth Proportional to 432,807.33, 597,305.03 and 239,210.87

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Solution

The fourth proportional to 432,807.33, 597,305.03 and 239,210.87 is: 330,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,807.33 : 597,305.03 = 239,210.87 : x
  2. Step 2: Convert to fraction form
    432,807.33/597,305.03 = 239,210.87/x
  3. Step 3: Cross multiply
    432,807.33x = 597,305.03 × 239,210.87
  4. Step 4: Simplify right side
    432,807.33x = 142,881,855,731.72
  5. Step 5: Solve for x
    x = 142,881,855,731.72/432,807.33
  6. Step 6: Final answer
    x = 330,128.09

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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.