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Finding the Fourth Proportional to 633,536.26, 874,273.08 and 343,140.60

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Solution

The fourth proportional to 633,536.26, 874,273.08 and 343,140.60 is: 473,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,536.26 : 874,273.08 = 343,140.60 : x
  2. Step 2: Convert to fraction form
    633,536.26/874,273.08 = 343,140.60/x
  3. Step 3: Cross multiply
    633,536.26x = 874,273.08 × 343,140.60
  4. Step 4: Simplify right side
    633,536.26x = 299,998,593,317.81
  5. Step 5: Solve for x
    x = 299,998,593,317.81/633,536.26
  6. Step 6: Final answer
    x = 473,530.27

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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.