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Finding the Fourth Proportional to 451,953.27, 623,630.34 and 291,026.52

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Solution

The fourth proportional to 451,953.27, 623,630.34 and 291,026.52 is: 401,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,953.27 : 623,630.34 = 291,026.52 : x
  2. Step 2: Convert to fraction form
    451,953.27/623,630.34 = 291,026.52/x
  3. Step 3: Cross multiply
    451,953.27x = 623,630.34 × 291,026.52
  4. Step 4: Simplify right side
    451,953.27x = 181,492,967,616.62
  5. Step 5: Solve for x
    x = 181,492,967,616.62/451,953.27
  6. Step 6: Final answer
    x = 401,574.63

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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.