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Finding the Fourth Proportional to 393,549.02, 590,341.97 and 127,330.37

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Solution

The fourth proportional to 393,549.02, 590,341.97 and 127,330.37 is: 191,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,549.02 : 590,341.97 = 127,330.37 : x
  2. Step 2: Convert to fraction form
    393,549.02/590,341.97 = 127,330.37/x
  3. Step 3: Cross multiply
    393,549.02x = 590,341.97 × 127,330.37
  4. Step 4: Simplify right side
    393,549.02x = 75,168,463,260.81
  5. Step 5: Solve for x
    x = 75,168,463,260.81/393,549.02
  6. Step 6: Final answer
    x = 191,001.52

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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.