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Finding the Fourth Proportional to 713,052.62, 1,068,859.14 and 447,000.02

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Solution

The fourth proportional to 713,052.62, 1,068,859.14 and 447,000.02 is: 670,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,052.62 : 1,068,859.14 = 447,000.02 : x
  2. Step 2: Convert to fraction form
    713,052.62/1,068,859.14 = 447,000.02/x
  3. Step 3: Cross multiply
    713,052.62x = 1,068,859.14 × 447,000.02
  4. Step 4: Simplify right side
    713,052.62x = 477,780,056,957.18
  5. Step 5: Solve for x
    x = 477,780,056,957.18/713,052.62
  6. Step 6: Final answer
    x = 670,048.81

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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.