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Finding the Fourth Proportional to 578,488.74, 798,308.37 and 323,842.02

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Solution

The fourth proportional to 578,488.74, 798,308.37 and 323,842.02 is: 446,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,488.74 : 798,308.37 = 323,842.02 : x
  2. Step 2: Convert to fraction form
    578,488.74/798,308.37 = 323,842.02/x
  3. Step 3: Cross multiply
    578,488.74x = 798,308.37 × 323,842.02
  4. Step 4: Simplify right side
    578,488.74x = 258,525,795,123.71
  5. Step 5: Solve for x
    x = 258,525,795,123.71/578,488.74
  6. Step 6: Final answer
    x = 446,898.58

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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.