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Finding the Fourth Proportional to 654,871.72, 903,752.68 and 364,501.82

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Solution

The fourth proportional to 654,871.72, 903,752.68 and 364,501.82 is: 503,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,871.72 : 903,752.68 = 364,501.82 : x
  2. Step 2: Convert to fraction form
    654,871.72/903,752.68 = 364,501.82/x
  3. Step 3: Cross multiply
    654,871.72x = 903,752.68 × 364,501.82
  4. Step 4: Simplify right side
    654,871.72x = 329,419,496,689.88
  5. Step 5: Solve for x
    x = 329,419,496,689.88/654,871.72
  6. Step 6: Final answer
    x = 503,029.05

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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.