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Finding the Fourth Proportional to 424,645.95, 585,944.49 and 243,323.01

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Solution

The fourth proportional to 424,645.95, 585,944.49 and 243,323.01 is: 335,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,645.95 : 585,944.49 = 243,323.01 : x
  2. Step 2: Convert to fraction form
    424,645.95/585,944.49 = 243,323.01/x
  3. Step 3: Cross multiply
    424,645.95x = 585,944.49 × 243,323.01
  4. Step 4: Simplify right side
    424,645.95x = 142,573,776,999.72
  5. Step 5: Solve for x
    x = 142,573,776,999.72/424,645.95
  6. Step 6: Final answer
    x = 335,747.41

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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.