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Finding the Fourth Proportional to 888,706.08, 1,225,138.56 and 633,614.40

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Solution

The fourth proportional to 888,706.08, 1,225,138.56 and 633,614.40 is: 873,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,706.08 : 1,225,138.56 = 633,614.40 : x
  2. Step 2: Convert to fraction form
    888,706.08/1,225,138.56 = 633,614.40/x
  3. Step 3: Cross multiply
    888,706.08x = 1,225,138.56 × 633,614.40
  4. Step 4: Simplify right side
    888,706.08x = 776,265,433,611.26
  5. Step 5: Solve for x
    x = 776,265,433,611.26/888,706.08
  6. Step 6: Final answer
    x = 873,478.25

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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.