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Finding the Fourth Proportional to 572,722.60, 859,083.90 and 480,101.80

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Solution

The fourth proportional to 572,722.60, 859,083.90 and 480,101.80 is: 720,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,722.60 : 859,083.90 = 480,101.80 : x
  2. Step 2: Convert to fraction form
    572,722.60/859,083.90 = 480,101.80/x
  3. Step 3: Cross multiply
    572,722.60x = 859,083.90 × 480,101.80
  4. Step 4: Simplify right side
    572,722.60x = 412,447,726,741.02
  5. Step 5: Solve for x
    x = 412,447,726,741.02/572,722.60
  6. Step 6: Final answer
    x = 720,152.70

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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.