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Finding the Fourth Proportional to 591,324, 815,068.80 and 462,036.48

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Solution

The fourth proportional to 591,324, 815,068.80 and 462,036.48 is: 636,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,324 : 815,068.80 = 462,036.48 : x
  2. Step 2: Convert to fraction form
    591,324/815,068.80 = 462,036.48/x
  3. Step 3: Cross multiply
    591,324x = 815,068.80 × 462,036.48
  4. Step 4: Simplify right side
    591,324x = 376,591,519,309.82
  5. Step 5: Solve for x
    x = 376,591,519,309.82/591,324
  6. Step 6: Final answer
    x = 636,861.55

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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.