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Finding the Fourth Proportional to 615,832.80, 923,557.20 and 241,970.40

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Solution

The fourth proportional to 615,832.80, 923,557.20 and 241,970.40 is: 362,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,832.80 : 923,557.20 = 241,970.40 : x
  2. Step 2: Convert to fraction form
    615,832.80/923,557.20 = 241,970.40/x
  3. Step 3: Cross multiply
    615,832.80x = 923,557.20 × 241,970.40
  4. Step 4: Simplify right side
    615,832.80x = 223,473,505,106.88
  5. Step 5: Solve for x
    x = 223,473,505,106.88/615,832.80
  6. Step 6: Final answer
    x = 362,880.16

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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.