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Finding the Fourth Proportional to 592,369.84, 817,469.45 and 320,436.89

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Solution

The fourth proportional to 592,369.84, 817,469.45 and 320,436.89 is: 442,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,369.84 : 817,469.45 = 320,436.89 : x
  2. Step 2: Convert to fraction form
    592,369.84/817,469.45 = 320,436.89/x
  3. Step 3: Cross multiply
    592,369.84x = 817,469.45 × 320,436.89
  4. Step 4: Simplify right side
    592,369.84x = 261,947,368,669.50
  5. Step 5: Solve for x
    x = 261,947,368,669.50/592,369.84
  6. Step 6: Final answer
    x = 442,202.41

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1.5x scale

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.