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Finding the Fourth Proportional to 636,909.93, 955,364.90 and 163,595.75

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Solution

The fourth proportional to 636,909.93, 955,364.90 and 163,595.75 is: 245,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,909.93 : 955,364.90 = 163,595.75 : x
  2. Step 2: Convert to fraction form
    636,909.93/955,364.90 = 163,595.75/x
  3. Step 3: Cross multiply
    636,909.93x = 955,364.90 × 163,595.75
  4. Step 4: Simplify right side
    636,909.93x = 156,293,631,744.37
  5. Step 5: Solve for x
    x = 156,293,631,744.37/636,909.93
  6. Step 6: Final answer
    x = 245,393.62

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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.