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Finding the Fourth Proportional to 447,950.68, 618,172 and 246,746.68

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Solution

The fourth proportional to 447,950.68, 618,172 and 246,746.68 is: 340,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,950.68 : 618,172 = 246,746.68 : x
  2. Step 2: Convert to fraction form
    447,950.68/618,172 = 246,746.68/x
  3. Step 3: Cross multiply
    447,950.68x = 618,172 × 246,746.68
  4. Step 4: Simplify right side
    447,950.68x = 152,531,888,668.96
  5. Step 5: Solve for x
    x = 152,531,888,668.96/447,950.68
  6. Step 6: Final answer
    x = 340,510.45

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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.