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Finding the Fourth Proportional to 615,994.54, 850,063.48 and 344,066.27

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Solution

The fourth proportional to 615,994.54, 850,063.48 and 344,066.27 is: 474,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,994.54 : 850,063.48 = 344,066.27 : x
  2. Step 2: Convert to fraction form
    615,994.54/850,063.48 = 344,066.27/x
  3. Step 3: Cross multiply
    615,994.54x = 850,063.48 × 344,066.27
  4. Step 4: Simplify right side
    615,994.54x = 292,478,165,716.34
  5. Step 5: Solve for x
    x = 292,478,165,716.34/615,994.54
  6. Step 6: Final answer
    x = 474,806.43

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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.