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Finding the Fourth Proportional to 576,004.32, 794,886.46 and 321,355.58

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Solution

The fourth proportional to 576,004.32, 794,886.46 and 321,355.58 is: 443,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,004.32 : 794,886.46 = 321,355.58 : x
  2. Step 2: Convert to fraction form
    576,004.32/794,886.46 = 321,355.58/x
  3. Step 3: Cross multiply
    576,004.32x = 794,886.46 × 321,355.58
  4. Step 4: Simplify right side
    576,004.32x = 255,441,199,387.45
  5. Step 5: Solve for x
    x = 255,441,199,387.45/576,004.32
  6. Step 6: Final answer
    x = 443,470.98

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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.