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Finding the Fourth Proportional to 446,616.36, 616,332.86 and 242,667.81

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Solution

The fourth proportional to 446,616.36, 616,332.86 and 242,667.81 is: 334,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,616.36 : 616,332.86 = 242,667.81 : x
  2. Step 2: Convert to fraction form
    446,616.36/616,332.86 = 242,667.81/x
  3. Step 3: Cross multiply
    446,616.36x = 616,332.86 × 242,667.81
  4. Step 4: Simplify right side
    446,616.36x = 149,564,145,367.24
  5. Step 5: Solve for x
    x = 149,564,145,367.24/446,616.36
  6. Step 6: Final answer
    x = 334,882.82

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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.