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Finding the Fourth Proportional to 576,037.12, 794,931.44 and 321,382.84

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Solution

The fourth proportional to 576,037.12, 794,931.44 and 321,382.84 is: 443,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,037.12 : 794,931.44 = 321,382.84 : x
  2. Step 2: Convert to fraction form
    576,037.12/794,931.44 = 321,382.84/x
  3. Step 3: Cross multiply
    576,037.12x = 794,931.44 × 321,382.84
  4. Step 4: Simplify right side
    576,037.12x = 255,477,323,792.49
  5. Step 5: Solve for x
    x = 255,477,323,792.49/576,037.12
  6. Step 6: Final answer
    x = 443,508.44

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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.