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Finding the Fourth Proportional to 432,445.94, 648,668.91 and 112,596.89

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Solution

The fourth proportional to 432,445.94, 648,668.91 and 112,596.89 is: 168,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,445.94 : 648,668.91 = 112,596.89 : x
  2. Step 2: Convert to fraction form
    432,445.94/648,668.91 = 112,596.89/x
  3. Step 3: Cross multiply
    432,445.94x = 648,668.91 × 112,596.89
  4. Step 4: Simplify right side
    432,445.94x = 73,038,100,865.08
  5. Step 5: Solve for x
    x = 73,038,100,865.08/432,445.94
  6. Step 6: Final answer
    x = 168,895.33

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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.