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Finding the Fourth Proportional to 437,980.32, 604,367.52 and 323,319.84

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Solution

The fourth proportional to 437,980.32, 604,367.52 and 323,319.84 is: 446,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,980.32 : 604,367.52 = 323,319.84 : x
  2. Step 2: Convert to fraction form
    437,980.32/604,367.52 = 323,319.84/x
  3. Step 3: Cross multiply
    437,980.32x = 604,367.52 × 323,319.84
  4. Step 4: Simplify right side
    437,980.32x = 195,404,009,867.60
  5. Step 5: Solve for x
    x = 195,404,009,867.60/437,980.32
  6. Step 6: Final answer
    x = 446,147.92

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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.