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Finding the Fourth Proportional to 432,810.09, 597,308.83 and 239,213.66

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Solution

The fourth proportional to 432,810.09, 597,308.83 and 239,213.66 is: 330,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,810.09 : 597,308.83 = 239,213.66 : x
  2. Step 2: Convert to fraction form
    432,810.09/597,308.83 = 239,213.66/x
  3. Step 3: Cross multiply
    432,810.09x = 597,308.83 × 239,213.66
  4. Step 4: Simplify right side
    432,810.09x = 142,884,427,790.04
  5. Step 5: Solve for x
    x = 142,884,427,790.04/432,810.09
  6. Step 6: Final answer
    x = 330,131.92

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1.5x scale

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.