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Finding the Fourth Proportional to 336,007.20, 504,010.80 and 324,602.40

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Solution

The fourth proportional to 336,007.20, 504,010.80 and 324,602.40 is: 486,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,007.20 : 504,010.80 = 324,602.40 : x
  2. Step 2: Convert to fraction form
    336,007.20/504,010.80 = 324,602.40/x
  3. Step 3: Cross multiply
    336,007.20x = 504,010.80 × 324,602.40
  4. Step 4: Simplify right side
    336,007.20x = 163,603,115,305.92
  5. Step 5: Solve for x
    x = 163,603,115,305.92/336,007.20
  6. Step 6: Final answer
    x = 486,903.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.