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Finding the Fourth Proportional to 446,909.28, 616,665.48 and 265,553.76

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Solution

The fourth proportional to 446,909.28, 616,665.48 and 265,553.76 is: 366,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,909.28 : 616,665.48 = 265,553.76 : x
  2. Step 2: Convert to fraction form
    446,909.28/616,665.48 = 265,553.76/x
  3. Step 3: Cross multiply
    446,909.28x = 616,665.48 × 265,553.76
  4. Step 4: Simplify right side
    446,909.28x = 163,757,836,876.21
  5. Step 5: Solve for x
    x = 163,757,836,876.21/446,909.28
  6. Step 6: Final answer
    x = 366,423.00

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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.