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Finding the Fourth Proportional to 370,168.84, 555,253.08 and 120,850.84

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Solution

The fourth proportional to 370,168.84, 555,253.08 and 120,850.84 is: 181,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,168.84 : 555,253.08 = 120,850.84 : x
  2. Step 2: Convert to fraction form
    370,168.84/555,253.08 = 120,850.84/x
  3. Step 3: Cross multiply
    370,168.84x = 555,253.08 × 120,850.84
  4. Step 4: Simplify right side
    370,168.84x = 67,102,801,130.59
  5. Step 5: Solve for x
    x = 67,102,801,130.59/370,168.84
  6. Step 6: Final answer
    x = 181,276.20

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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.