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Finding the Fourth Proportional to 615,833.80, 923,558.70 and 241,971.40

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Solution

The fourth proportional to 615,833.80, 923,558.70 and 241,971.40 is: 362,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,833.80 : 923,558.70 = 241,971.40 : x
  2. Step 2: Convert to fraction form
    615,833.80/923,558.70 = 241,971.40/x
  3. Step 3: Cross multiply
    615,833.80x = 923,558.70 × 241,971.40
  4. Step 4: Simplify right side
    615,833.80x = 223,474,791,621.18
  5. Step 5: Solve for x
    x = 223,474,791,621.18/615,833.80
  6. Step 6: Final answer
    x = 362,881.66

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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.