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Finding the Fourth Proportional to 456,477.10, 684,715.65 and 231,750.70

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Solution

The fourth proportional to 456,477.10, 684,715.65 and 231,750.70 is: 347,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,477.10 : 684,715.65 = 231,750.70 : x
  2. Step 2: Convert to fraction form
    456,477.10/684,715.65 = 231,750.70/x
  3. Step 3: Cross multiply
    456,477.10x = 684,715.65 × 231,750.70
  4. Step 4: Simplify right side
    456,477.10x = 158,683,331,188.46
  5. Step 5: Solve for x
    x = 158,683,331,188.46/456,477.10
  6. Step 6: Final answer
    x = 347,626.05

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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.