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Finding the Fourth Proportional to 447,007.92, 616,870.88 and 245,803.92

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Solution

The fourth proportional to 447,007.92, 616,870.88 and 245,803.92 is: 339,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,007.92 : 616,870.88 = 245,803.92 : x
  2. Step 2: Convert to fraction form
    447,007.92/616,870.88 = 245,803.92/x
  3. Step 3: Cross multiply
    447,007.92x = 616,870.88 × 245,803.92
  4. Step 4: Simplify right side
    447,007.92x = 151,629,280,437.85
  5. Step 5: Solve for x
    x = 151,629,280,437.85/447,007.92
  6. Step 6: Final answer
    x = 339,209.38

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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.