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Finding the Fourth Proportional to 325,590.40, 488,166.90 and 173,812.60

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Solution

The fourth proportional to 325,590.40, 488,166.90 and 173,812.60 is: 260,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,590.40 : 488,166.90 = 173,812.60 : x
  2. Step 2: Convert to fraction form
    325,590.40/488,166.90 = 173,812.60/x
  3. Step 3: Cross multiply
    325,590.40x = 488,166.90 × 173,812.60
  4. Step 4: Simplify right side
    325,590.40x = 84,849,558,122.94
  5. Step 5: Solve for x
    x = 84,849,558,122.94/325,590.40
  6. Step 6: Final answer
    x = 260,602.15

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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.