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Finding the Fourth Proportional to 630,033.27, 945,053.33 and 156,718.64

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Solution

The fourth proportional to 630,033.27, 945,053.33 and 156,718.64 is: 235,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,033.27 : 945,053.33 = 156,718.64 : x
  2. Step 2: Convert to fraction form
    630,033.27/945,053.33 = 156,718.64/x
  3. Step 3: Cross multiply
    630,033.27x = 945,053.33 × 156,718.64
  4. Step 4: Simplify right side
    630,033.27x = 148,107,467,096.21
  5. Step 5: Solve for x
    x = 148,107,467,096.21/630,033.27
  6. Step 6: Final answer
    x = 235,078.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.