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Finding the Fourth Proportional to 304,909.75, 457,783.56 and 155,250.59

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Solution

The fourth proportional to 304,909.75, 457,783.56 and 155,250.59 is: 233,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,909.75 : 457,783.56 = 155,250.59 : x
  2. Step 2: Convert to fraction form
    304,909.75/457,783.56 = 155,250.59/x
  3. Step 3: Cross multiply
    304,909.75x = 457,783.56 × 155,250.59
  4. Step 4: Simplify right side
    304,909.75x = 71,071,167,782.30
  5. Step 5: Solve for x
    x = 71,071,167,782.30/304,909.75
  6. Step 6: Final answer
    x = 233,089.20

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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.