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Finding the Fourth Proportional to 439,637.60, 659,111.88 and 173,597.25

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Solution

The fourth proportional to 439,637.60, 659,111.88 and 173,597.25 is: 260,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,637.60 : 659,111.88 = 173,597.25 : x
  2. Step 2: Convert to fraction form
    439,637.60/659,111.88 = 173,597.25/x
  3. Step 3: Cross multiply
    439,637.60x = 659,111.88 × 173,597.25
  4. Step 4: Simplify right side
    439,637.60x = 114,420,009,810.33
  5. Step 5: Solve for x
    x = 114,420,009,810.33/439,637.60
  6. Step 6: Final answer
    x = 260,259.84

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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.