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Finding the Fourth Proportional to 632,900.39, 873,410.75 and 346,414.33

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Solution

The fourth proportional to 632,900.39, 873,410.75 and 346,414.33 is: 478,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,900.39 : 873,410.75 = 346,414.33 : x
  2. Step 2: Convert to fraction form
    632,900.39/873,410.75 = 346,414.33/x
  3. Step 3: Cross multiply
    632,900.39x = 873,410.75 × 346,414.33
  4. Step 4: Simplify right side
    632,900.39x = 302,561,999,776.05
  5. Step 5: Solve for x
    x = 302,561,999,776.05/632,900.39
  6. Step 6: Final answer
    x = 478,056.27

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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.