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Finding the Fourth Proportional to 456,253.48, 629,668.74 and 265,254.76

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Solution

The fourth proportional to 456,253.48, 629,668.74 and 265,254.76 is: 366,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,253.48 : 629,668.74 = 265,254.76 : x
  2. Step 2: Convert to fraction form
    456,253.48/629,668.74 = 265,254.76/x
  3. Step 3: Cross multiply
    456,253.48x = 629,668.74 × 265,254.76
  4. Step 4: Simplify right side
    456,253.48x = 167,022,630,508.20
  5. Step 5: Solve for x
    x = 167,022,630,508.20/456,253.48
  6. Step 6: Final answer
    x = 366,074.21

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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.