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Finding the Fourth Proportional to 866,793.60, 1,299,801.60 and 334,137.60

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Solution

The fourth proportional to 866,793.60, 1,299,801.60 and 334,137.60 is: 501,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,793.60 : 1,299,801.60 = 334,137.60 : x
  2. Step 2: Convert to fraction form
    866,793.60/1,299,801.60 = 334,137.60/x
  3. Step 3: Cross multiply
    866,793.60x = 1,299,801.60 × 334,137.60
  4. Step 4: Simplify right side
    866,793.60x = 434,312,587,100.16
  5. Step 5: Solve for x
    x = 434,312,587,100.16/866,793.60
  6. Step 6: Final answer
    x = 501,056.52

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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.