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Finding the Fourth Proportional to 565,421.63, 848,552.90 and 228,465.21

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Solution

The fourth proportional to 565,421.63, 848,552.90 and 228,465.21 is: 342,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,421.63 : 848,552.90 = 228,465.21 : x
  2. Step 2: Convert to fraction form
    565,421.63/848,552.90 = 228,465.21/x
  3. Step 3: Cross multiply
    565,421.63x = 848,552.90 × 228,465.21
  4. Step 4: Simplify right side
    565,421.63x = 193,864,815,352.28
  5. Step 5: Solve for x
    x = 193,864,815,352.28/565,421.63
  6. Step 6: Final answer
    x = 342,867.70

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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.