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Finding the Fourth Proportional to 546,070.16, 819,474.30 and 191,087.30

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Solution

The fourth proportional to 546,070.16, 819,474.30 and 191,087.30 is: 286,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,070.16 : 819,474.30 = 191,087.30 : x
  2. Step 2: Convert to fraction form
    546,070.16/819,474.30 = 191,087.30/x
  3. Step 3: Cross multiply
    546,070.16x = 819,474.30 × 191,087.30
  4. Step 4: Simplify right side
    546,070.16x = 156,591,131,406.39
  5. Step 5: Solve for x
    x = 156,591,131,406.39/546,070.16
  6. Step 6: Final answer
    x = 286,760.10

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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.