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Finding the Fourth Proportional to 440,043.40, 660,000.30 and 124,532.20

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Solution

The fourth proportional to 440,043.40, 660,000.30 and 124,532.20 is: 186,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,043.40 : 660,000.30 = 124,532.20 : x
  2. Step 2: Convert to fraction form
    440,043.40/660,000.30 = 124,532.20/x
  3. Step 3: Cross multiply
    440,043.40x = 660,000.30 × 124,532.20
  4. Step 4: Simplify right side
    440,043.40x = 82,191,289,359.66
  5. Step 5: Solve for x
    x = 82,191,289,359.66/440,043.40
  6. Step 6: Final answer
    x = 186,779.96

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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.