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Finding the Fourth Proportional to 440,129.40, 659,999.70 and 173,801.40

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Solution

The fourth proportional to 440,129.40, 659,999.70 and 173,801.40 is: 260,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,129.40 : 659,999.70 = 173,801.40 : x
  2. Step 2: Convert to fraction form
    440,129.40/659,999.70 = 173,801.40/x
  3. Step 3: Cross multiply
    440,129.40x = 659,999.70 × 173,801.40
  4. Step 4: Simplify right side
    440,129.40x = 114,708,871,859.58
  5. Step 5: Solve for x
    x = 114,708,871,859.58/440,129.40
  6. Step 6: Final answer
    x = 260,625.33

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1.5x scale

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.