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Finding the Fourth Proportional to 451,029.58, 622,421.58 and 247,076.04

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Solution

The fourth proportional to 451,029.58, 622,421.58 and 247,076.04 is: 340,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,029.58 : 622,421.58 = 247,076.04 : x
  2. Step 2: Convert to fraction form
    451,029.58/622,421.58 = 247,076.04/x
  3. Step 3: Cross multiply
    451,029.58x = 622,421.58 × 247,076.04
  4. Step 4: Simplify right side
    451,029.58x = 153,785,459,196.94
  5. Step 5: Solve for x
    x = 153,785,459,196.94/451,029.58
  6. Step 6: Final answer
    x = 340,965.35

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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.