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Finding the Fourth Proportional to 469,332.68, 647,675.16 and 265,423.64

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Solution

The fourth proportional to 469,332.68, 647,675.16 and 265,423.64 is: 366,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,332.68 : 647,675.16 = 265,423.64 : x
  2. Step 2: Convert to fraction form
    469,332.68/647,675.16 = 265,423.64/x
  3. Step 3: Cross multiply
    469,332.68x = 647,675.16 × 265,423.64
  4. Step 4: Simplify right side
    469,332.68x = 171,908,298,504.78
  5. Step 5: Solve for x
    x = 171,908,298,504.78/469,332.68
  6. Step 6: Final answer
    x = 366,282.40

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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.