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Finding the Fourth Proportional to 447,381.69, 617,386.74 and 246,177.69

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Solution

The fourth proportional to 447,381.69, 617,386.74 and 246,177.69 is: 339,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,381.69 : 617,386.74 = 246,177.69 : x
  2. Step 2: Convert to fraction form
    447,381.69/617,386.74 = 246,177.69/x
  3. Step 3: Cross multiply
    447,381.69x = 617,386.74 × 246,177.69
  4. Step 4: Simplify right side
    447,381.69x = 151,986,841,489.83
  5. Step 5: Solve for x
    x = 151,986,841,489.83/447,381.69
  6. Step 6: Final answer
    x = 339,725.22

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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.