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Finding the Fourth Proportional to 965,706.80, 1,448,560.20 and 606,455.60

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Solution

The fourth proportional to 965,706.80, 1,448,560.20 and 606,455.60 is: 909,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,706.80 : 1,448,560.20 = 606,455.60 : x
  2. Step 2: Convert to fraction form
    965,706.80/1,448,560.20 = 606,455.60/x
  3. Step 3: Cross multiply
    965,706.80x = 1,448,560.20 × 606,455.60
  4. Step 4: Simplify right side
    965,706.80x = 878,487,445,227.12
  5. Step 5: Solve for x
    x = 878,487,445,227.12/965,706.80
  6. Step 6: Final answer
    x = 909,683.40

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Double scale
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Similar ratio
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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.