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Finding the Fourth Proportional to 581,809.89, 802,996.25 and 336,759.15

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Solution

The fourth proportional to 581,809.89, 802,996.25 and 336,759.15 is: 464,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,809.89 : 802,996.25 = 336,759.15 : x
  2. Step 2: Convert to fraction form
    581,809.89/802,996.25 = 336,759.15/x
  3. Step 3: Cross multiply
    581,809.89x = 802,996.25 × 336,759.15
  4. Step 4: Simplify right side
    581,809.89x = 270,416,332,919.39
  5. Step 5: Solve for x
    x = 270,416,332,919.39/581,809.89
  6. Step 6: Final answer
    x = 464,784.70

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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.