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Finding the Fourth Proportional to 456,601.80, 684,902.70 and 246,649.80

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Solution

The fourth proportional to 456,601.80, 684,902.70 and 246,649.80 is: 369,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,601.80 : 684,902.70 = 246,649.80 : x
  2. Step 2: Convert to fraction form
    456,601.80/684,902.70 = 246,649.80/x
  3. Step 3: Cross multiply
    456,601.80x = 684,902.70 × 246,649.80
  4. Step 4: Simplify right side
    456,601.80x = 168,931,113,974.46
  5. Step 5: Solve for x
    x = 168,931,113,974.46/456,601.80
  6. Step 6: Final answer
    x = 369,974.70

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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.