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Finding the Fourth Proportional to 624,000.66, 861,046.86 and 352,052.67

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Solution

The fourth proportional to 624,000.66, 861,046.86 and 352,052.67 is: 485,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,000.66 : 861,046.86 = 352,052.67 : x
  2. Step 2: Convert to fraction form
    624,000.66/861,046.86 = 352,052.67/x
  3. Step 3: Cross multiply
    624,000.66x = 861,046.86 × 352,052.67
  4. Step 4: Simplify right side
    624,000.66x = 303,133,846,058.12
  5. Step 5: Solve for x
    x = 303,133,846,058.12/624,000.66
  6. Step 6: Final answer
    x = 485,790.91

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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.