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Finding the Fourth Proportional to 572,028.30, 858,042.45 and 483,454.80

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Solution

The fourth proportional to 572,028.30, 858,042.45 and 483,454.80 is: 725,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,028.30 : 858,042.45 = 483,454.80 : x
  2. Step 2: Convert to fraction form
    572,028.30/858,042.45 = 483,454.80/x
  3. Step 3: Cross multiply
    572,028.30x = 858,042.45 × 483,454.80
  4. Step 4: Simplify right side
    572,028.30x = 414,824,741,056.26
  5. Step 5: Solve for x
    x = 414,824,741,056.26/572,028.30
  6. Step 6: Final answer
    x = 725,182.20

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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.