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Finding the Fourth Proportional to 431,663.56, 595,696.08 and 240,673.12

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Solution

The fourth proportional to 431,663.56, 595,696.08 and 240,673.12 is: 332,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,663.56 : 595,696.08 = 240,673.12 : x
  2. Step 2: Convert to fraction form
    431,663.56/595,696.08 = 240,673.12/x
  3. Step 3: Cross multiply
    431,663.56x = 595,696.08 × 240,673.12
  4. Step 4: Simplify right side
    431,663.56x = 143,368,034,145.37
  5. Step 5: Solve for x
    x = 143,368,034,145.37/431,663.56
  6. Step 6: Final answer
    x = 332,129.11

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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.