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Finding the Fourth Proportional to 592,767.65, 818,019.29 and 320,835.50

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Solution

The fourth proportional to 592,767.65, 818,019.29 and 320,835.50 is: 442,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,767.65 : 818,019.29 = 320,835.50 : x
  2. Step 2: Convert to fraction form
    592,767.65/818,019.29 = 320,835.50/x
  3. Step 3: Cross multiply
    592,767.65x = 818,019.29 × 320,835.50
  4. Step 4: Simplify right side
    592,767.65x = 262,449,627,916.80
  5. Step 5: Solve for x
    x = 262,449,627,916.80/592,767.65
  6. Step 6: Final answer
    x = 442,752.95

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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.