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Finding the Fourth Proportional to 440,106.52, 660,053.58 and 203,221.48

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Solution

The fourth proportional to 440,106.52, 660,053.58 and 203,221.48 is: 304,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,106.52 : 660,053.58 = 203,221.48 : x
  2. Step 2: Convert to fraction form
    440,106.52/660,053.58 = 203,221.48/x
  3. Step 3: Cross multiply
    440,106.52x = 660,053.58 × 203,221.48
  4. Step 4: Simplify right side
    440,106.52x = 134,137,065,406.90
  5. Step 5: Solve for x
    x = 134,137,065,406.90/440,106.52
  6. Step 6: Final answer
    x = 304,783.18

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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.