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Finding the Fourth Proportional to 468,607.86, 646,681.94 and 253,747.92

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Solution

The fourth proportional to 468,607.86, 646,681.94 and 253,747.92 is: 350,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,607.86 : 646,681.94 = 253,747.92 : x
  2. Step 2: Convert to fraction form
    468,607.86/646,681.94 = 253,747.92/x
  3. Step 3: Cross multiply
    468,607.86x = 646,681.94 × 253,747.92
  4. Step 4: Simplify right side
    468,607.86x = 164,094,195,255.39
  5. Step 5: Solve for x
    x = 164,094,195,255.39/468,607.86
  6. Step 6: Final answer
    x = 350,173.80

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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.