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Finding the Fourth Proportional to 373,105.40, 559,737.77 and 120,400.25

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Solution

The fourth proportional to 373,105.40, 559,737.77 and 120,400.25 is: 180,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,105.40 : 559,737.77 = 120,400.25 : x
  2. Step 2: Convert to fraction form
    373,105.40/559,737.77 = 120,400.25/x
  3. Step 3: Cross multiply
    373,105.40x = 559,737.77 × 120,400.25
  4. Step 4: Simplify right side
    373,105.40x = 67,392,564,041.75
  5. Step 5: Solve for x
    x = 67,392,564,041.75/373,105.40
  6. Step 6: Final answer
    x = 180,626.08

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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.