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Finding the Fourth Proportional to 461,925.60, 693,601.20 and 251,973.60

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Solution

The fourth proportional to 461,925.60, 693,601.20 and 251,973.60 is: 378,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,925.60 : 693,601.20 = 251,973.60 : x
  2. Step 2: Convert to fraction form
    461,925.60/693,601.20 = 251,973.60/x
  3. Step 3: Cross multiply
    461,925.60x = 693,601.20 × 251,973.60
  4. Step 4: Simplify right side
    461,925.60x = 174,769,191,328.32
  5. Step 5: Solve for x
    x = 174,769,191,328.32/461,925.60
  6. Step 6: Final answer
    x = 378,349.22

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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.