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Finding the Fourth Proportional to 615,055.14, 922,577.22 and 194,331.06

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Solution

The fourth proportional to 615,055.14, 922,577.22 and 194,331.06 is: 291,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,055.14 : 922,577.22 = 194,331.06 : x
  2. Step 2: Convert to fraction form
    615,055.14/922,577.22 = 194,331.06/x
  3. Step 3: Cross multiply
    615,055.14x = 922,577.22 × 194,331.06
  4. Step 4: Simplify right side
    615,055.14x = 179,285,409,094.45
  5. Step 5: Solve for x
    x = 179,285,409,094.45/615,055.14
  6. Step 6: Final answer
    x = 291,494.86

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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.