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Finding the Fourth Proportional to 456,960.87, 630,407.48 and 275,572.00

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Solution

The fourth proportional to 456,960.87, 630,407.48 and 275,572.00 is: 380,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,960.87 : 630,407.48 = 275,572.00 : x
  2. Step 2: Convert to fraction form
    456,960.87/630,407.48 = 275,572.00/x
  3. Step 3: Cross multiply
    456,960.87x = 630,407.48 × 275,572.00
  4. Step 4: Simplify right side
    456,960.87x = 173,722,649,488.71
  5. Step 5: Solve for x
    x = 173,722,649,488.71/456,960.87
  6. Step 6: Final answer
    x = 380,169.64

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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.