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Finding the Fourth Proportional to 641,587.60, 962,381.40 and 536,611.60

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Solution

The fourth proportional to 641,587.60, 962,381.40 and 536,611.60 is: 804,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,587.60 : 962,381.40 = 536,611.60 : x
  2. Step 2: Convert to fraction form
    641,587.60/962,381.40 = 536,611.60/x
  3. Step 3: Cross multiply
    641,587.60x = 962,381.40 × 536,611.60
  4. Step 4: Simplify right side
    641,587.60x = 516,425,022,864.24
  5. Step 5: Solve for x
    x = 516,425,022,864.24/641,587.60
  6. Step 6: Final answer
    x = 804,917.40

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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.