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Finding the Fourth Proportional to 548,905.60, 822,969.60 and 249,529.60

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Solution

The fourth proportional to 548,905.60, 822,969.60 and 249,529.60 is: 374,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,905.60 : 822,969.60 = 249,529.60 : x
  2. Step 2: Convert to fraction form
    548,905.60/822,969.60 = 249,529.60/x
  3. Step 3: Cross multiply
    548,905.60x = 822,969.60 × 249,529.60
  4. Step 4: Simplify right side
    548,905.60x = 205,355,275,100.16
  5. Step 5: Solve for x
    x = 205,355,275,100.16/548,905.60
  6. Step 6: Final answer
    x = 374,117.65

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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.