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Finding the Fourth Proportional to 249,117.60, 373,676.40 and 228,122.40

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Solution

The fourth proportional to 249,117.60, 373,676.40 and 228,122.40 is: 342,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,117.60 : 373,676.40 = 228,122.40 : x
  2. Step 2: Convert to fraction form
    249,117.60/373,676.40 = 228,122.40/x
  3. Step 3: Cross multiply
    249,117.60x = 373,676.40 × 228,122.40
  4. Step 4: Simplify right side
    249,117.60x = 85,243,957,191.36
  5. Step 5: Solve for x
    x = 85,243,957,191.36/249,117.60
  6. Step 6: Final answer
    x = 342,183.60

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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.