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Finding the Fourth Proportional to 546,940.70, 820,411.05 and 473,212.70

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Solution

The fourth proportional to 546,940.70, 820,411.05 and 473,212.70 is: 709,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,940.70 : 820,411.05 = 473,212.70 : x
  2. Step 2: Convert to fraction form
    546,940.70/820,411.05 = 473,212.70/x
  3. Step 3: Cross multiply
    546,940.70x = 820,411.05 × 473,212.70
  4. Step 4: Simplify right side
    546,940.70x = 388,228,928,080.34
  5. Step 5: Solve for x
    x = 388,228,928,080.34/546,940.70
  6. Step 6: Final answer
    x = 709,819.05

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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.