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Finding the Fourth Proportional to 615,994.48, 850,063.41 and 344,066.23

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Solution

The fourth proportional to 615,994.48, 850,063.41 and 344,066.23 is: 474,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,994.48 : 850,063.41 = 344,066.23 : x
  2. Step 2: Convert to fraction form
    615,994.48/850,063.41 = 344,066.23/x
  3. Step 3: Cross multiply
    615,994.48x = 850,063.41 × 344,066.23
  4. Step 4: Simplify right side
    615,994.48x = 292,478,112,739.64
  5. Step 5: Solve for x
    x = 292,478,112,739.64/615,994.48
  6. Step 6: Final answer
    x = 474,806.39

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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.