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Finding the Fourth Proportional to 482,000.40, 723,000.60 and 245,804.40

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Solution

The fourth proportional to 482,000.40, 723,000.60 and 245,804.40 is: 368,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,000.40 : 723,000.60 = 245,804.40 : x
  2. Step 2: Convert to fraction form
    482,000.40/723,000.60 = 245,804.40/x
  3. Step 3: Cross multiply
    482,000.40x = 723,000.60 × 245,804.40
  4. Step 4: Simplify right side
    482,000.40x = 177,716,728,682.64
  5. Step 5: Solve for x
    x = 177,716,728,682.64/482,000.40
  6. Step 6: Final answer
    x = 368,706.60

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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.