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Finding the Fourth Proportional to 737,355.60, 1,105,385.40 and 499,928.40

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Solution

The fourth proportional to 737,355.60, 1,105,385.40 and 499,928.40 is: 749,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,355.60 : 1,105,385.40 = 499,928.40 : x
  2. Step 2: Convert to fraction form
    737,355.60/1,105,385.40 = 499,928.40/x
  3. Step 3: Cross multiply
    737,355.60x = 1,105,385.40 × 499,928.40
  4. Step 4: Simplify right side
    737,355.60x = 552,613,554,405.36
  5. Step 5: Solve for x
    x = 552,613,554,405.36/737,355.60
  6. Step 6: Final answer
    x = 749,453.25

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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.