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Finding the Fourth Proportional to 576,661.32, 795,754.26 and 321,962.76

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Solution

The fourth proportional to 576,661.32, 795,754.26 and 321,962.76 is: 444,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,661.32 : 795,754.26 = 321,962.76 : x
  2. Step 2: Convert to fraction form
    576,661.32/795,754.26 = 321,962.76/x
  3. Step 3: Cross multiply
    576,661.32x = 795,754.26 × 321,962.76
  4. Step 4: Simplify right side
    576,661.32x = 256,203,237,831.36
  5. Step 5: Solve for x
    x = 256,203,237,831.36/576,661.32
  6. Step 6: Final answer
    x = 444,287.19

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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.