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Finding the Fourth Proportional to 698,714.08, 964,957.38 and 481,487.56

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Solution

The fourth proportional to 698,714.08, 964,957.38 and 481,487.56 is: 664,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,714.08 : 964,957.38 = 481,487.56 : x
  2. Step 2: Convert to fraction form
    698,714.08/964,957.38 = 481,487.56/x
  3. Step 3: Cross multiply
    698,714.08x = 964,957.38 × 481,487.56
  4. Step 4: Simplify right side
    698,714.08x = 464,614,974,400.19
  5. Step 5: Solve for x
    x = 464,614,974,400.19/698,714.08
  6. Step 6: Final answer
    x = 664,957.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.