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Finding the Fourth Proportional to 524,358.80, 723,670.67 and 320,529.03

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Solution

The fourth proportional to 524,358.80, 723,670.67 and 320,529.03 is: 442,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,358.80 : 723,670.67 = 320,529.03 : x
  2. Step 2: Convert to fraction form
    524,358.80/723,670.67 = 320,529.03/x
  3. Step 3: Cross multiply
    524,358.80x = 723,670.67 × 320,529.03
  4. Step 4: Simplify right side
    524,358.80x = 231,957,456,291.91
  5. Step 5: Solve for x
    x = 231,957,456,291.91/524,358.80
  6. Step 6: Final answer
    x = 442,364.00

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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.