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Finding the Fourth Proportional to 615,693.40, 923,568.90 and 195,002.20

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Solution

The fourth proportional to 615,693.40, 923,568.90 and 195,002.20 is: 292,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,693.40 : 923,568.90 = 195,002.20 : x
  2. Step 2: Convert to fraction form
    615,693.40/923,568.90 = 195,002.20/x
  3. Step 3: Cross multiply
    615,693.40x = 923,568.90 × 195,002.20
  4. Step 4: Simplify right side
    615,693.40x = 180,097,967,351.58
  5. Step 5: Solve for x
    x = 180,097,967,351.58/615,693.40
  6. Step 6: Final answer
    x = 292,512.42

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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.