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Finding the Fourth Proportional to 615,455.80, 923,270.10 and 194,687.80

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Solution

The fourth proportional to 615,455.80, 923,270.10 and 194,687.80 is: 292,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,455.80 : 923,270.10 = 194,687.80 : x
  2. Step 2: Convert to fraction form
    615,455.80/923,270.10 = 194,687.80/x
  3. Step 3: Cross multiply
    615,455.80x = 923,270.10 × 194,687.80
  4. Step 4: Simplify right side
    615,455.80x = 179,749,424,574.78
  5. Step 5: Solve for x
    x = 179,749,424,574.78/615,455.80
  6. Step 6: Final answer
    x = 292,059.03

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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.