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Finding the Fourth Proportional to 441,434.12, 662,147.70 and 292,341.64

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Solution

The fourth proportional to 441,434.12, 662,147.70 and 292,341.64 is: 438,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,434.12 : 662,147.70 = 292,341.64 : x
  2. Step 2: Convert to fraction form
    441,434.12/662,147.70 = 292,341.64/x
  3. Step 3: Cross multiply
    441,434.12x = 662,147.70 × 292,341.64
  4. Step 4: Simplify right side
    441,434.12x = 193,573,344,540.23
  5. Step 5: Solve for x
    x = 193,573,344,540.23/441,434.12
  6. Step 6: Final answer
    x = 438,510.16

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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.