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Finding the Fourth Proportional to 446,432.64, 616,107.20 and 245,230.72

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Solution

The fourth proportional to 446,432.64, 616,107.20 and 245,230.72 is: 338,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,432.64 : 616,107.20 = 245,230.72 : x
  2. Step 2: Convert to fraction form
    446,432.64/616,107.20 = 245,230.72/x
  3. Step 3: Cross multiply
    446,432.64x = 616,107.20 × 245,230.72
  4. Step 4: Simplify right side
    446,432.64x = 151,088,412,253.18
  5. Step 5: Solve for x
    x = 151,088,412,253.18/446,432.64
  6. Step 6: Final answer
    x = 338,434.96

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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.