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Finding the Fourth Proportional to 440,473.94, 660,710.91 and 191,155.94

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Solution

The fourth proportional to 440,473.94, 660,710.91 and 191,155.94 is: 286,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,473.94 : 660,710.91 = 191,155.94 : x
  2. Step 2: Convert to fraction form
    440,473.94/660,710.91 = 191,155.94/x
  3. Step 3: Cross multiply
    440,473.94x = 660,710.91 × 191,155.94
  4. Step 4: Simplify right side
    440,473.94x = 126,298,815,069.31
  5. Step 5: Solve for x
    x = 126,298,815,069.31/440,473.94
  6. Step 6: Final answer
    x = 286,733.91

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Similar ratio
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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.