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Finding the Fourth Proportional to 441,700.80, 662,551.20 and 292,401.60

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Solution

The fourth proportional to 441,700.80, 662,551.20 and 292,401.60 is: 438,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,700.80 : 662,551.20 = 292,401.60 : x
  2. Step 2: Convert to fraction form
    441,700.80/662,551.20 = 292,401.60/x
  3. Step 3: Cross multiply
    441,700.80x = 662,551.20 × 292,401.60
  4. Step 4: Simplify right side
    441,700.80x = 193,731,030,961.92
  5. Step 5: Solve for x
    x = 193,731,030,961.92/441,700.80
  6. Step 6: Final answer
    x = 438,602.40

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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.