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Finding the Fourth Proportional to 649,644.70, 974,466.57 and 176,399.50

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Solution

The fourth proportional to 649,644.70, 974,466.57 and 176,399.50 is: 264,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,644.70 : 974,466.57 = 176,399.50 : x
  2. Step 2: Convert to fraction form
    649,644.70/974,466.57 = 176,399.50/x
  3. Step 3: Cross multiply
    649,644.70x = 974,466.57 × 176,399.50
  4. Step 4: Simplify right side
    649,644.70x = 171,895,415,714.72
  5. Step 5: Solve for x
    x = 171,895,415,714.72/649,644.70
  6. Step 6: Final answer
    x = 264,599.12

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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.