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Finding the Fourth Proportional to 546,951.20, 820,426.80 and 473,223.20

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Solution

The fourth proportional to 546,951.20, 820,426.80 and 473,223.20 is: 709,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,951.20 : 820,426.80 = 473,223.20 : x
  2. Step 2: Convert to fraction form
    546,951.20/820,426.80 = 473,223.20/x
  3. Step 3: Cross multiply
    546,951.20x = 820,426.80 × 473,223.20
  4. Step 4: Simplify right side
    546,951.20x = 388,244,995,661.76
  5. Step 5: Solve for x
    x = 388,244,995,661.76/546,951.20
  6. Step 6: Final answer
    x = 709,834.80

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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.