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Finding the Fourth Proportional to 615,967.36, 923,984.16 and 195,276.04

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Solution

The fourth proportional to 615,967.36, 923,984.16 and 195,276.04 is: 292,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,967.36 : 923,984.16 = 195,276.04 : x
  2. Step 2: Convert to fraction form
    615,967.36/923,984.16 = 195,276.04/x
  3. Step 3: Cross multiply
    615,967.36x = 923,984.16 × 195,276.04
  4. Step 4: Simplify right side
    615,967.36x = 180,431,967,787.53
  5. Step 5: Solve for x
    x = 180,431,967,787.53/615,967.36
  6. Step 6: Final answer
    x = 292,924.56

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1.5x scale

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.