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Finding the Fourth Proportional to 591,195.83, 815,803.80 and 333,061.39

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Solution

The fourth proportional to 591,195.83, 815,803.80 and 333,061.39 is: 459,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,195.83 : 815,803.80 = 333,061.39 : x
  2. Step 2: Convert to fraction form
    591,195.83/815,803.80 = 333,061.39/x
  3. Step 3: Cross multiply
    591,195.83x = 815,803.80 × 333,061.39
  4. Step 4: Simplify right side
    591,195.83x = 271,712,747,595.28
  5. Step 5: Solve for x
    x = 271,712,747,595.28/591,195.83
  6. Step 6: Final answer
    x = 459,598.55

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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.