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Finding the Fourth Proportional to 447,071.47, 616,950.08 and 245,867.47

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Solution

The fourth proportional to 447,071.47, 616,950.08 and 245,867.47 is: 339,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,071.47 : 616,950.08 = 245,867.47 : x
  2. Step 2: Convert to fraction form
    447,071.47/616,950.08 = 245,867.47/x
  3. Step 3: Cross multiply
    447,071.47x = 616,950.08 × 245,867.47
  4. Step 4: Simplify right side
    447,071.47x = 151,687,954,056.56
  5. Step 5: Solve for x
    x = 151,687,954,056.56/447,071.47
  6. Step 6: Final answer
    x = 339,292.40

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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.