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Finding the Fourth Proportional to 336,296.40, 504,444.60 and 328,520.40

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Solution

The fourth proportional to 336,296.40, 504,444.60 and 328,520.40 is: 492,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,296.40 : 504,444.60 = 328,520.40 : x
  2. Step 2: Convert to fraction form
    336,296.40/504,444.60 = 328,520.40/x
  3. Step 3: Cross multiply
    336,296.40x = 504,444.60 × 328,520.40
  4. Step 4: Simplify right side
    336,296.40x = 165,720,341,769.84
  5. Step 5: Solve for x
    x = 165,720,341,769.84/336,296.40
  6. Step 6: Final answer
    x = 492,780.60

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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.