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Finding the Fourth Proportional to 592,892.79, 818,191.11 and 320,960.61

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Solution

The fourth proportional to 592,892.79, 818,191.11 and 320,960.61 is: 442,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,892.79 : 818,191.11 = 320,960.61 : x
  2. Step 2: Convert to fraction form
    592,892.79/818,191.11 = 320,960.61/x
  3. Step 3: Cross multiply
    592,892.79x = 818,191.11 × 320,960.61
  4. Step 4: Simplify right side
    592,892.79x = 262,607,117,762.18
  5. Step 5: Solve for x
    x = 262,607,117,762.18/592,892.79
  6. Step 6: Final answer
    x = 442,925.13

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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.