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Finding the Fourth Proportional to 461,736.30, 692,604.45 and 312,048.30

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Solution

The fourth proportional to 461,736.30, 692,604.45 and 312,048.30 is: 468,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,736.30 : 692,604.45 = 312,048.30 : x
  2. Step 2: Convert to fraction form
    461,736.30/692,604.45 = 312,048.30/x
  3. Step 3: Cross multiply
    461,736.30x = 692,604.45 × 312,048.30
  4. Step 4: Simplify right side
    461,736.30x = 216,126,041,194.94
  5. Step 5: Solve for x
    x = 216,126,041,194.94/461,736.30
  6. Step 6: Final answer
    x = 468,072.45

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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.