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Finding the Fourth Proportional to 447,040.34, 616,896.90 and 253,461.08

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Solution

The fourth proportional to 447,040.34, 616,896.90 and 253,461.08 is: 349,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,040.34 : 616,896.90 = 253,461.08 : x
  2. Step 2: Convert to fraction form
    447,040.34/616,896.90 = 253,461.08/x
  3. Step 3: Cross multiply
    447,040.34x = 616,896.90 × 253,461.08
  4. Step 4: Simplify right side
    447,040.34x = 156,359,354,522.65
  5. Step 5: Solve for x
    x = 156,359,354,522.65/447,040.34
  6. Step 6: Final answer
    x = 349,765.65

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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.