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Finding the Fourth Proportional to 467,142.04, 644,656.74 and 265,938.04

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Solution

The fourth proportional to 467,142.04, 644,656.74 and 265,938.04 is: 366,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,142.04 : 644,656.74 = 265,938.04 : x
  2. Step 2: Convert to fraction form
    467,142.04/644,656.74 = 265,938.04/x
  3. Step 3: Cross multiply
    467,142.04x = 644,656.74 × 265,938.04
  4. Step 4: Simplify right side
    467,142.04x = 171,438,749,908.39
  5. Step 5: Solve for x
    x = 171,438,749,908.39/467,142.04
  6. Step 6: Final answer
    x = 366,994.91

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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.