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Finding the Fourth Proportional to 461,877.60, 693,529.20 and 251,925.60

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Solution

The fourth proportional to 461,877.60, 693,529.20 and 251,925.60 is: 378,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,877.60 : 693,529.20 = 251,925.60 : x
  2. Step 2: Convert to fraction form
    461,877.60/693,529.20 = 251,925.60/x
  3. Step 3: Cross multiply
    461,877.60x = 693,529.20 × 251,925.60
  4. Step 4: Simplify right side
    461,877.60x = 174,717,759,827.52
  5. Step 5: Solve for x
    x = 174,717,759,827.52/461,877.60
  6. Step 6: Final answer
    x = 378,277.19

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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.