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Finding the Fourth Proportional to 615,950.08, 849,772.56 and 361,208.32

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Solution

The fourth proportional to 615,950.08, 849,772.56 and 361,208.32 is: 498,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,950.08 : 849,772.56 = 361,208.32 : x
  2. Step 2: Convert to fraction form
    615,950.08/849,772.56 = 361,208.32/x
  3. Step 3: Cross multiply
    615,950.08x = 849,772.56 × 361,208.32
  4. Step 4: Simplify right side
    615,950.08x = 306,944,918,779.70
  5. Step 5: Solve for x
    x = 306,944,918,779.70/615,950.08
  6. Step 6: Final answer
    x = 498,327.59

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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.