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Finding the Fourth Proportional to 350,914.81, 526,605.81 and 191,031.10

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Solution

The fourth proportional to 350,914.81, 526,605.81 and 191,031.10 is: 286,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,914.81 : 526,605.81 = 191,031.10 : x
  2. Step 2: Convert to fraction form
    350,914.81/526,605.81 = 191,031.10/x
  3. Step 3: Cross multiply
    350,914.81x = 526,605.81 × 191,031.10
  4. Step 4: Simplify right side
    350,914.81x = 100,598,087,150.69
  5. Step 5: Solve for x
    x = 100,598,087,150.69/350,914.81
  6. Step 6: Final answer
    x = 286,673.81

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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.