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Finding the Fourth Proportional to 537,818.80, 806,728.20 and 360,871.60

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Solution

The fourth proportional to 537,818.80, 806,728.20 and 360,871.60 is: 541,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,818.80 : 806,728.20 = 360,871.60 : x
  2. Step 2: Convert to fraction form
    537,818.80/806,728.20 = 360,871.60/x
  3. Step 3: Cross multiply
    537,818.80x = 806,728.20 × 360,871.60
  4. Step 4: Simplify right side
    537,818.80x = 291,125,296,299.12
  5. Step 5: Solve for x
    x = 291,125,296,299.12/537,818.80
  6. Step 6: Final answer
    x = 541,307.40

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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.