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Finding the Fourth Proportional to 432,866.73, 649,300.05 and 117,323.64

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Solution

The fourth proportional to 432,866.73, 649,300.05 and 117,323.64 is: 175,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,866.73 : 649,300.05 = 117,323.64 : x
  2. Step 2: Convert to fraction form
    432,866.73/649,300.05 = 117,323.64/x
  3. Step 3: Cross multiply
    432,866.73x = 649,300.05 × 117,323.64
  4. Step 4: Simplify right side
    432,866.73x = 76,178,245,318.18
  5. Step 5: Solve for x
    x = 76,178,245,318.18/432,866.73
  6. Step 6: Final answer
    x = 175,985.45

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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.