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Finding the Fourth Proportional to 347,832.80, 488,365.60 and 347,832.80

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Solution

The fourth proportional to 347,832.80, 488,365.60 and 347,832.80 is: 488,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,832.80 : 488,365.60 = 347,832.80 : x
  2. Step 2: Convert to fraction form
    347,832.80/488,365.60 = 347,832.80/x
  3. Step 3: Cross multiply
    347,832.80x = 488,365.60 × 347,832.80
  4. Step 4: Simplify right side
    347,832.80x = 169,869,574,071.68
  5. Step 5: Solve for x
    x = 169,869,574,071.68/347,832.80
  6. Step 6: Final answer
    x = 488,365.60

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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.