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Finding the Fourth Proportional to 592,476.98, 817,616.94 and 320,544.03

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Solution

The fourth proportional to 592,476.98, 817,616.94 and 320,544.03 is: 442,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,476.98 : 817,616.94 = 320,544.03 : x
  2. Step 2: Convert to fraction form
    592,476.98/817,616.94 = 320,544.03/x
  3. Step 3: Cross multiply
    592,476.98x = 817,616.94 × 320,544.03
  4. Step 4: Simplify right side
    592,476.98x = 262,082,230,807.89
  5. Step 5: Solve for x
    x = 262,082,230,807.89/592,476.98
  6. Step 6: Final answer
    x = 442,350.06

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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.