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Finding the Fourth Proportional to 466,329.96, 643,549.86 and 265,138.92

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Solution

The fourth proportional to 466,329.96, 643,549.86 and 265,138.92 is: 365,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,329.96 : 643,549.86 = 265,138.92 : x
  2. Step 2: Convert to fraction form
    466,329.96/643,549.86 = 265,138.92/x
  3. Step 3: Cross multiply
    466,329.96x = 643,549.86 × 265,138.92
  4. Step 4: Simplify right side
    466,329.96x = 170,630,114,846.55
  5. Step 5: Solve for x
    x = 170,630,114,846.55/466,329.96
  6. Step 6: Final answer
    x = 365,899.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.