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Finding the Fourth Proportional to 548,865.60, 822,909.60 and 249,489.60

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Solution

The fourth proportional to 548,865.60, 822,909.60 and 249,489.60 is: 374,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,865.60 : 822,909.60 = 249,489.60 : x
  2. Step 2: Convert to fraction form
    548,865.60/822,909.60 = 249,489.60/x
  3. Step 3: Cross multiply
    548,865.60x = 822,909.60 × 249,489.60
  4. Step 4: Simplify right side
    548,865.60x = 205,307,386,940.16
  5. Step 5: Solve for x
    x = 205,307,386,940.16/548,865.60
  6. Step 6: Final answer
    x = 374,057.67

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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.