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Finding the Fourth Proportional to 712,174.60, 983,259.84 and 635,562.64

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Solution

The fourth proportional to 712,174.60, 983,259.84 and 635,562.64 is: 877,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,174.60 : 983,259.84 = 635,562.64 : x
  2. Step 2: Convert to fraction form
    712,174.60/983,259.84 = 635,562.64/x
  3. Step 3: Cross multiply
    712,174.60x = 983,259.84 × 635,562.64
  4. Step 4: Simplify right side
    712,174.60x = 624,923,219,716.38
  5. Step 5: Solve for x
    x = 624,923,219,716.38/712,174.60
  6. Step 6: Final answer
    x = 877,485.97

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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.