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Finding the Fourth Proportional to 615,449.56, 922,474.48 and 260,241.88

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Solution

The fourth proportional to 615,449.56, 922,474.48 and 260,241.88 is: 390,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,449.56 : 922,474.48 = 260,241.88 : x
  2. Step 2: Convert to fraction form
    615,449.56/922,474.48 = 260,241.88/x
  3. Step 3: Cross multiply
    615,449.56x = 922,474.48 × 260,241.88
  4. Step 4: Simplify right side
    615,449.56x = 240,066,492,927.22
  5. Step 5: Solve for x
    x = 240,066,492,927.22/615,449.56
  6. Step 6: Final answer
    x = 390,066.89

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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.