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Finding the Fourth Proportional to 293,554.80, 440,346.60 and 153,586.80

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Solution

The fourth proportional to 293,554.80, 440,346.60 and 153,586.80 is: 230,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,554.80 : 440,346.60 = 153,586.80 : x
  2. Step 2: Convert to fraction form
    293,554.80/440,346.60 = 153,586.80/x
  3. Step 3: Cross multiply
    293,554.80x = 440,346.60 × 153,586.80
  4. Step 4: Simplify right side
    293,554.80x = 67,631,425,184.88
  5. Step 5: Solve for x
    x = 67,631,425,184.88/293,554.80
  6. Step 6: Final answer
    x = 230,387.73

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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.