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Finding the Fourth Proportional to 737,618.40, 1,106,427.60 and 509,295.60

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Solution

The fourth proportional to 737,618.40, 1,106,427.60 and 509,295.60 is: 763,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,618.40 : 1,106,427.60 = 509,295.60 : x
  2. Step 2: Convert to fraction form
    737,618.40/1,106,427.60 = 509,295.60/x
  3. Step 3: Cross multiply
    737,618.40x = 1,106,427.60 × 509,295.60
  4. Step 4: Simplify right side
    737,618.40x = 563,498,708,398.56
  5. Step 5: Solve for x
    x = 563,498,708,398.56/737,618.40
  6. Step 6: Final answer
    x = 763,943.40

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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.