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Finding the Fourth Proportional to 483,121.52, 727,575.77 and 440,026.28

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Solution

The fourth proportional to 483,121.52, 727,575.77 and 440,026.28 is: 662,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,121.52 : 727,575.77 = 440,026.28 : x
  2. Step 2: Convert to fraction form
    483,121.52/727,575.77 = 440,026.28/x
  3. Step 3: Cross multiply
    483,121.52x = 727,575.77 × 440,026.28
  4. Step 4: Simplify right side
    483,121.52x = 320,152,459,491.24
  5. Step 5: Solve for x
    x = 320,152,459,491.24/483,121.52
  6. Step 6: Final answer
    x = 662,674.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.