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Finding the Fourth Proportional to 597,809.60, 897,224.70 and 243,078.20

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Solution

The fourth proportional to 597,809.60, 897,224.70 and 243,078.20 is: 364,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,809.60 : 897,224.70 = 243,078.20 : x
  2. Step 2: Convert to fraction form
    597,809.60/897,224.70 = 243,078.20/x
  3. Step 3: Cross multiply
    597,809.60x = 897,224.70 × 243,078.20
  4. Step 4: Simplify right side
    597,809.60x = 218,095,765,071.54
  5. Step 5: Solve for x
    x = 218,095,765,071.54/597,809.60
  6. Step 6: Final answer
    x = 364,824.80

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Double scale
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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.