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Finding the Fourth Proportional to 347,837.60, 488,022.40 and 347,837.60

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Solution

The fourth proportional to 347,837.60, 488,022.40 and 347,837.60 is: 488,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,837.60 : 488,022.40 = 347,837.60 : x
  2. Step 2: Convert to fraction form
    347,837.60/488,022.40 = 347,837.60/x
  3. Step 3: Cross multiply
    347,837.60x = 488,022.40 × 347,837.60
  4. Step 4: Simplify right side
    347,837.60x = 169,752,540,362.24
  5. Step 5: Solve for x
    x = 169,752,540,362.24/347,837.60
  6. Step 6: Final answer
    x = 488,022.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.