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Finding the Fourth Proportional to 703,592.80, 1,056,166.80 and 437,653.60

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Solution

The fourth proportional to 703,592.80, 1,056,166.80 and 437,653.60 is: 656,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,592.80 : 1,056,166.80 = 437,653.60 : x
  2. Step 2: Convert to fraction form
    703,592.80/1,056,166.80 = 437,653.60/x
  3. Step 3: Cross multiply
    703,592.80x = 1,056,166.80 × 437,653.60
  4. Step 4: Simplify right side
    703,592.80x = 462,235,202,220.48
  5. Step 5: Solve for x
    x = 462,235,202,220.48/703,592.80
  6. Step 6: Final answer
    x = 656,964.09

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1.5x scale

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.