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Finding the Fourth Proportional to 537,740.80, 806,611.20 and 514,704.40

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Solution

The fourth proportional to 537,740.80, 806,611.20 and 514,704.40 is: 772,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,740.80 : 806,611.20 = 514,704.40 : x
  2. Step 2: Convert to fraction form
    537,740.80/806,611.20 = 514,704.40/x
  3. Step 3: Cross multiply
    537,740.80x = 806,611.20 × 514,704.40
  4. Step 4: Simplify right side
    537,740.80x = 415,166,333,729.28
  5. Step 5: Solve for x
    x = 415,166,333,729.28/537,740.80
  6. Step 6: Final answer
    x = 772,056.60

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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.