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Finding the Fourth Proportional to 546,507.81, 754,198.49 and 304,800.57

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Solution

The fourth proportional to 546,507.81, 754,198.49 and 304,800.57 is: 420,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,507.81 : 754,198.49 = 304,800.57 : x
  2. Step 2: Convert to fraction form
    546,507.81/754,198.49 = 304,800.57/x
  3. Step 3: Cross multiply
    546,507.81x = 754,198.49 × 304,800.57
  4. Step 4: Simplify right side
    546,507.81x = 229,880,130,407.14
  5. Step 5: Solve for x
    x = 229,880,130,407.14/546,507.81
  6. Step 6: Final answer
    x = 420,634.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.