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Finding the Fourth Proportional to 540,476.61, 810,748.35 and 180,679.84

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Solution

The fourth proportional to 540,476.61, 810,748.35 and 180,679.84 is: 271,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,476.61 : 810,748.35 = 180,679.84 : x
  2. Step 2: Convert to fraction form
    540,476.61/810,748.35 = 180,679.84/x
  3. Step 3: Cross multiply
    540,476.61x = 810,748.35 × 180,679.84
  4. Step 4: Simplify right side
    540,476.61x = 146,485,882,158.26
  5. Step 5: Solve for x
    x = 146,485,882,158.26/540,476.61
  6. Step 6: Final answer
    x = 271,030.94

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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.