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Finding the Fourth Proportional to 737,781.60, 1,106,672.40 and 232,406.40

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Solution

The fourth proportional to 737,781.60, 1,106,672.40 and 232,406.40 is: 348,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,781.60 : 1,106,672.40 = 232,406.40 : x
  2. Step 2: Convert to fraction form
    737,781.60/1,106,672.40 = 232,406.40/x
  3. Step 3: Cross multiply
    737,781.60x = 1,106,672.40 × 232,406.40
  4. Step 4: Simplify right side
    737,781.60x = 257,197,748,463.36
  5. Step 5: Solve for x
    x = 257,197,748,463.36/737,781.60
  6. Step 6: Final answer
    x = 348,609.60

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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.