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Finding the Fourth Proportional to 607,672.23, 838,516.17 and 335,723.91

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Solution

The fourth proportional to 607,672.23, 838,516.17 and 335,723.91 is: 463,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,672.23 : 838,516.17 = 335,723.91 : x
  2. Step 2: Convert to fraction form
    607,672.23/838,516.17 = 335,723.91/x
  3. Step 3: Cross multiply
    607,672.23x = 838,516.17 × 335,723.91
  4. Step 4: Simplify right side
    607,672.23x = 281,509,927,190.63
  5. Step 5: Solve for x
    x = 281,509,927,190.63/607,672.23
  6. Step 6: Final answer
    x = 463,259.49

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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.