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Finding the Fourth Proportional to 363,356.90, 544,482.69 and 173,555.91

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Solution

The fourth proportional to 363,356.90, 544,482.69 and 173,555.91 is: 260,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,356.90 : 544,482.69 = 173,555.91 : x
  2. Step 2: Convert to fraction form
    363,356.90/544,482.69 = 173,555.91/x
  3. Step 3: Cross multiply
    363,356.90x = 544,482.69 × 173,555.91
  4. Step 4: Simplify right side
    363,356.90x = 94,498,188,742.20
  5. Step 5: Solve for x
    x = 94,498,188,742.20/363,356.90
  6. Step 6: Final answer
    x = 260,069.89

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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.