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Finding the Fourth Proportional to 546,365.06, 818,002.11 and 289,612.61

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Solution

The fourth proportional to 546,365.06, 818,002.11 and 289,612.61 is: 433,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,365.06 : 818,002.11 = 289,612.61 : x
  2. Step 2: Convert to fraction form
    546,365.06/818,002.11 = 289,612.61/x
  3. Step 3: Cross multiply
    546,365.06x = 818,002.11 × 289,612.61
  4. Step 4: Simplify right side
    546,365.06x = 236,903,724,614.54
  5. Step 5: Solve for x
    x = 236,903,724,614.54/546,365.06
  6. Step 6: Final answer
    x = 433,599.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.