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Finding the Fourth Proportional to 447,057.48, 616,927.02 and 245,853.48

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Solution

The fourth proportional to 447,057.48, 616,927.02 and 245,853.48 is: 339,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,057.48 : 616,927.02 = 245,853.48 : x
  2. Step 2: Convert to fraction form
    447,057.48/616,927.02 = 245,853.48/x
  3. Step 3: Cross multiply
    447,057.48x = 616,927.02 × 245,853.48
  4. Step 4: Simplify right side
    447,057.48x = 151,673,654,773.03
  5. Step 5: Solve for x
    x = 151,673,654,773.03/447,057.48
  6. Step 6: Final answer
    x = 339,271.04

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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.