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Finding the Fourth Proportional to 546,059.10, 818,942.85 and 191,036.10

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Solution

The fourth proportional to 546,059.10, 818,942.85 and 191,036.10 is: 286,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,059.10 : 818,942.85 = 191,036.10 : x
  2. Step 2: Convert to fraction form
    546,059.10/818,942.85 = 191,036.10/x
  3. Step 3: Cross multiply
    546,059.10x = 818,942.85 × 191,036.10
  4. Step 4: Simplify right side
    546,059.10x = 156,447,648,186.89
  5. Step 5: Solve for x
    x = 156,447,648,186.89/546,059.10
  6. Step 6: Final answer
    x = 286,503.14

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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.